Home / 2,850.19-4,256.55-2,460.98

Finding the Fourth Proportional to 2,850.19, 4,256.55 and 2,460.98

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Solution

The fourth proportional to 2,850.19, 4,256.55 and 2,460.98 is: 3,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.19 : 4,256.55 = 2,460.98 : x
  2. Step 2: Convert to fraction form
    2,850.19/4,256.55 = 2,460.98/x
  3. Step 3: Cross multiply
    2,850.19x = 4,256.55 × 2,460.98
  4. Step 4: Simplify right side
    2,850.19x = 10,475,295.06
  5. Step 5: Solve for x
    x = 10,475,295.06/2,850.19
  6. Step 6: Final answer
    x = 3,675.30

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Find fourth proportional to 1,425.09, 2,128.28 and 1,230.49
Half scale
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Double scale
Find fourth proportional to 2,851.19, 4,258.04 and 2,461.98
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.