Home / 3,531.76-5,296.61-1,423.38

Finding the Fourth Proportional to 3,531.76, 5,296.61 and 1,423.38

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Solution

The fourth proportional to 3,531.76, 5,296.61 and 1,423.38 is: 2,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.76 : 5,296.61 = 1,423.38 : x
  2. Step 2: Convert to fraction form
    3,531.76/5,296.61 = 1,423.38/x
  3. Step 3: Cross multiply
    3,531.76x = 5,296.61 × 1,423.38
  4. Step 4: Simplify right side
    3,531.76x = 7,539,092.30
  5. Step 5: Solve for x
    x = 7,539,092.30/3,531.76
  6. Step 6: Final answer
    x = 2,134.66

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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.