Home / 3,817.38-5,726.10-1,148.64

Finding the Fourth Proportional to 3,817.38, 5,726.10 and 1,148.64

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Solution

The fourth proportional to 3,817.38, 5,726.10 and 1,148.64 is: 1,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.38 : 5,726.10 = 1,148.64 : x
  2. Step 2: Convert to fraction form
    3,817.38/5,726.10 = 1,148.64/x
  3. Step 3: Cross multiply
    3,817.38x = 5,726.10 × 1,148.64
  4. Step 4: Simplify right side
    3,817.38x = 6,577,227.50
  5. Step 5: Solve for x
    x = 6,577,227.50/3,817.38
  6. Step 6: Final answer
    x = 1,722.97

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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.