Home / 3,165.65-4,747.25-1,265.39

Finding the Fourth Proportional to 3,165.65, 4,747.25 and 1,265.39

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Solution

The fourth proportional to 3,165.65, 4,747.25 and 1,265.39 is: 1,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.65 : 4,747.25 = 1,265.39 : x
  2. Step 2: Convert to fraction form
    3,165.65/4,747.25 = 1,265.39/x
  3. Step 3: Cross multiply
    3,165.65x = 4,747.25 × 1,265.39
  4. Step 4: Simplify right side
    3,165.65x = 6,007,092.61
  5. Step 5: Solve for x
    x = 6,007,092.61/3,165.65
  6. Step 6: Final answer
    x = 1,897.59

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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.