Home / 3,728.19-5,148.36-2,404.17

Finding the Fourth Proportional to 3,728.19, 5,148.36 and 2,404.17

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Solution

The fourth proportional to 3,728.19, 5,148.36 and 2,404.17 is: 3,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.19 : 5,148.36 = 2,404.17 : x
  2. Step 2: Convert to fraction form
    3,728.19/5,148.36 = 2,404.17/x
  3. Step 3: Cross multiply
    3,728.19x = 5,148.36 × 2,404.17
  4. Step 4: Simplify right side
    3,728.19x = 12,377,532.66
  5. Step 5: Solve for x
    x = 12,377,532.66/3,728.19
  6. Step 6: Final answer
    x = 3,319.98

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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.