Home / 4,149.56-5,726.70-2,381.24

Finding the Fourth Proportional to 4,149.56, 5,726.70 and 2,381.24

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Solution

The fourth proportional to 4,149.56, 5,726.70 and 2,381.24 is: 3,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.56 : 5,726.70 = 2,381.24 : x
  2. Step 2: Convert to fraction form
    4,149.56/5,726.70 = 2,381.24/x
  3. Step 3: Cross multiply
    4,149.56x = 5,726.70 × 2,381.24
  4. Step 4: Simplify right side
    4,149.56x = 13,636,647.11
  5. Step 5: Solve for x
    x = 13,636,647.11/4,149.56
  6. Step 6: Final answer
    x = 3,286.29

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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.