Home / 3,726.30-5,590.08-1,261.11

Finding the Fourth Proportional to 3,726.30, 5,590.08 and 1,261.11

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Solution

The fourth proportional to 3,726.30, 5,590.08 and 1,261.11 is: 1,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.30 : 5,590.08 = 1,261.11 : x
  2. Step 2: Convert to fraction form
    3,726.30/5,590.08 = 1,261.11/x
  3. Step 3: Cross multiply
    3,726.30x = 5,590.08 × 1,261.11
  4. Step 4: Simplify right side
    3,726.30x = 7,049,705.79
  5. Step 5: Solve for x
    x = 7,049,705.79/3,726.30
  6. Step 6: Final answer
    x = 1,891.88

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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.