Home / 2,168.18-3,253.08-935.90

Finding the Fourth Proportional to 2,168.18, 3,253.08 and 935.90

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Solution

The fourth proportional to 2,168.18, 3,253.08 and 935.90 is: 1,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.18 : 3,253.08 = 935.90 : x
  2. Step 2: Convert to fraction form
    2,168.18/3,253.08 = 935.90/x
  3. Step 3: Cross multiply
    2,168.18x = 3,253.08 × 935.90
  4. Step 4: Simplify right side
    2,168.18x = 3,044,557.57
  5. Step 5: Solve for x
    x = 3,044,557.57/2,168.18
  6. Step 6: Final answer
    x = 1,404.20

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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.