Home / 3,553.76-5,331.54-2,515.79

Finding the Fourth Proportional to 3,553.76, 5,331.54 and 2,515.79

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Solution

The fourth proportional to 3,553.76, 5,331.54 and 2,515.79 is: 3,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.76 : 5,331.54 = 2,515.79 : x
  2. Step 2: Convert to fraction form
    3,553.76/5,331.54 = 2,515.79/x
  3. Step 3: Cross multiply
    3,553.76x = 5,331.54 × 2,515.79
  4. Step 4: Simplify right side
    3,553.76x = 13,413,035.02
  5. Step 5: Solve for x
    x = 13,413,035.02/3,553.76
  6. Step 6: Final answer
    x = 3,774.32

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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.