Home / 2,542.20-3,806.10-2,254.20

Finding the Fourth Proportional to 2,542.20, 3,806.10 and 2,254.20

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Solution

The fourth proportional to 2,542.20, 3,806.10 and 2,254.20 is: 3,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.20 : 3,806.10 = 2,254.20 : x
  2. Step 2: Convert to fraction form
    2,542.20/3,806.10 = 2,254.20/x
  3. Step 3: Cross multiply
    2,542.20x = 3,806.10 × 2,254.20
  4. Step 4: Simplify right side
    2,542.20x = 8,579,710.62
  5. Step 5: Solve for x
    x = 8,579,710.62/2,542.20
  6. Step 6: Final answer
    x = 3,374.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.