Home / 4,149.90-5,726.97-2,381.58

Finding the Fourth Proportional to 4,149.90, 5,726.97 and 2,381.58

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Solution

The fourth proportional to 4,149.90, 5,726.97 and 2,381.58 is: 3,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.90 : 5,726.97 = 2,381.58 : x
  2. Step 2: Convert to fraction form
    4,149.90/5,726.97 = 2,381.58/x
  3. Step 3: Cross multiply
    4,149.90x = 5,726.97 × 2,381.58
  4. Step 4: Simplify right side
    4,149.90x = 13,639,237.21
  5. Step 5: Solve for x
    x = 13,639,237.21/4,149.90
  6. Step 6: Final answer
    x = 3,286.64

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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.