Home / 2,710.28-3,740.66-1,531.72

Finding the Fourth Proportional to 2,710.28, 3,740.66 and 1,531.72

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Solution

The fourth proportional to 2,710.28, 3,740.66 and 1,531.72 is: 2,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.28 : 3,740.66 = 1,531.72 : x
  2. Step 2: Convert to fraction form
    2,710.28/3,740.66 = 1,531.72/x
  3. Step 3: Cross multiply
    2,710.28x = 3,740.66 × 1,531.72
  4. Step 4: Simplify right side
    2,710.28x = 5,729,643.74
  5. Step 5: Solve for x
    x = 5,729,643.74/2,710.28
  6. Step 6: Final answer
    x = 2,114.04

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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.