Home / 2,240.91-3,092.45-1,246.28

Finding the Fourth Proportional to 2,240.91, 3,092.45 and 1,246.28

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Solution

The fourth proportional to 2,240.91, 3,092.45 and 1,246.28 is: 1,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.91 : 3,092.45 = 1,246.28 : x
  2. Step 2: Convert to fraction form
    2,240.91/3,092.45 = 1,246.28/x
  3. Step 3: Cross multiply
    2,240.91x = 3,092.45 × 1,246.28
  4. Step 4: Simplify right side
    2,240.91x = 3,854,052.35
  5. Step 5: Solve for x
    x = 3,854,052.35/2,240.91
  6. Step 6: Final answer
    x = 1,719.86

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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.