Home / 2,240.92-3,092.38-1,246.15

Finding the Fourth Proportional to 2,240.92, 3,092.38 and 1,246.15

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Solution

The fourth proportional to 2,240.92, 3,092.38 and 1,246.15 is: 1,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.92 : 3,092.38 = 1,246.15 : x
  2. Step 2: Convert to fraction form
    2,240.92/3,092.38 = 1,246.15/x
  3. Step 3: Cross multiply
    2,240.92x = 3,092.38 × 1,246.15
  4. Step 4: Simplify right side
    2,240.92x = 3,853,569.34
  5. Step 5: Solve for x
    x = 3,853,569.34/2,240.92
  6. Step 6: Final answer
    x = 1,719.64

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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.