Home / 2,726.20-3,754.20-2,428.12

Finding the Fourth Proportional to 2,726.20, 3,754.20 and 2,428.12

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Solution

The fourth proportional to 2,726.20, 3,754.20 and 2,428.12 is: 3,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.20 : 3,754.20 = 2,428.12 : x
  2. Step 2: Convert to fraction form
    2,726.20/3,754.20 = 2,428.12/x
  3. Step 3: Cross multiply
    2,726.20x = 3,754.20 × 2,428.12
  4. Step 4: Simplify right side
    2,726.20x = 9,115,648.10
  5. Step 5: Solve for x
    x = 9,115,648.10/2,726.20
  6. Step 6: Final answer
    x = 3,343.72

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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.