Home / 3,932.11-5,897.50-1,120.74

Finding the Fourth Proportional to 3,932.11, 5,897.50 and 1,120.74

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Solution

The fourth proportional to 3,932.11, 5,897.50 and 1,120.74 is: 1,680.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.11 : 5,897.50 = 1,120.74 : x
  2. Step 2: Convert to fraction form
    3,932.11/5,897.50 = 1,120.74/x
  3. Step 3: Cross multiply
    3,932.11x = 5,897.50 × 1,120.74
  4. Step 4: Simplify right side
    3,932.11x = 6,609,564.15
  5. Step 5: Solve for x
    x = 6,609,564.15/3,932.11
  6. Step 6: Final answer
    x = 1,680.92

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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.