Home / 3,124.90-4,313.19-1,798.76

Finding the Fourth Proportional to 3,124.90, 4,313.19 and 1,798.76

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Solution

The fourth proportional to 3,124.90, 4,313.19 and 1,798.76 is: 2,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.90 : 4,313.19 = 1,798.76 : x
  2. Step 2: Convert to fraction form
    3,124.90/4,313.19 = 1,798.76/x
  3. Step 3: Cross multiply
    3,124.90x = 4,313.19 × 1,798.76
  4. Step 4: Simplify right side
    3,124.90x = 7,758,393.64
  5. Step 5: Solve for x
    x = 7,758,393.64/3,124.90
  6. Step 6: Final answer
    x = 2,482.77

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,125.90, 4,314.57 and 1,799.76
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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.