Home / 3,726.36-5,590.46-1,129.30

Finding the Fourth Proportional to 3,726.36, 5,590.46 and 1,129.30

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Solution

The fourth proportional to 3,726.36, 5,590.46 and 1,129.30 is: 1,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.36 : 5,590.46 = 1,129.30 : x
  2. Step 2: Convert to fraction form
    3,726.36/5,590.46 = 1,129.30/x
  3. Step 3: Cross multiply
    3,726.36x = 5,590.46 × 1,129.30
  4. Step 4: Simplify right side
    3,726.36x = 6,313,306.48
  5. Step 5: Solve for x
    x = 6,313,306.48/3,726.36
  6. Step 6: Final answer
    x = 1,694.23

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1.5x scale

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.