Home / 3,726.93-5,590.41-1,129.89

Finding the Fourth Proportional to 3,726.93, 5,590.41 and 1,129.89

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Solution

The fourth proportional to 3,726.93, 5,590.41 and 1,129.89 is: 1,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.93 : 5,590.41 = 1,129.89 : x
  2. Step 2: Convert to fraction form
    3,726.93/5,590.41 = 1,129.89/x
  3. Step 3: Cross multiply
    3,726.93x = 5,590.41 × 1,129.89
  4. Step 4: Simplify right side
    3,726.93x = 6,316,548.35
  5. Step 5: Solve for x
    x = 6,316,548.35/3,726.93
  6. Step 6: Final answer
    x = 1,694.84

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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.