Home / 4,149.36-5,726.24-2,381.28

Finding the Fourth Proportional to 4,149.36, 5,726.24 and 2,381.28

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Solution

The fourth proportional to 4,149.36, 5,726.24 and 2,381.28 is: 3,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.36 : 5,726.24 = 2,381.28 : x
  2. Step 2: Convert to fraction form
    4,149.36/5,726.24 = 2,381.28/x
  3. Step 3: Cross multiply
    4,149.36x = 5,726.24 × 2,381.28
  4. Step 4: Simplify right side
    4,149.36x = 13,635,780.79
  5. Step 5: Solve for x
    x = 13,635,780.79/4,149.36
  6. Step 6: Final answer
    x = 3,286.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.