Home / 3,715.16-5,572.88-1,375.28

Finding the Fourth Proportional to 3,715.16, 5,572.88 and 1,375.28

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Solution

The fourth proportional to 3,715.16, 5,572.88 and 1,375.28 is: 2,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.16 : 5,572.88 = 1,375.28 : x
  2. Step 2: Convert to fraction form
    3,715.16/5,572.88 = 1,375.28/x
  3. Step 3: Cross multiply
    3,715.16x = 5,572.88 × 1,375.28
  4. Step 4: Simplify right side
    3,715.16x = 7,664,270.41
  5. Step 5: Solve for x
    x = 7,664,270.41/3,715.16
  6. Step 6: Final answer
    x = 2,062.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.