Home / 4,120.22-5,685.53-2,441.36

Finding the Fourth Proportional to 4,120.22, 5,685.53 and 2,441.36

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Solution

The fourth proportional to 4,120.22, 5,685.53 and 2,441.36 is: 3,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.22 : 5,685.53 = 2,441.36 : x
  2. Step 2: Convert to fraction form
    4,120.22/5,685.53 = 2,441.36/x
  3. Step 3: Cross multiply
    4,120.22x = 5,685.53 × 2,441.36
  4. Step 4: Simplify right side
    4,120.22x = 13,880,384.89
  5. Step 5: Solve for x
    x = 13,880,384.89/4,120.22
  6. Step 6: Final answer
    x = 3,368.85

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.