Home / 3,726.19-5,140.21-2,531.24

Finding the Fourth Proportional to 3,726.19, 5,140.21 and 2,531.24

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Solution

The fourth proportional to 3,726.19, 5,140.21 and 2,531.24 is: 3,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.19 : 5,140.21 = 2,531.24 : x
  2. Step 2: Convert to fraction form
    3,726.19/5,140.21 = 2,531.24/x
  3. Step 3: Cross multiply
    3,726.19x = 5,140.21 × 2,531.24
  4. Step 4: Simplify right side
    3,726.19x = 13,011,066.80
  5. Step 5: Solve for x
    x = 13,011,066.80/3,726.19
  6. Step 6: Final answer
    x = 3,491.79

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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.