Home / 2,542.40-3,509.50-2,472.18

Finding the Fourth Proportional to 2,542.40, 3,509.50 and 2,472.18

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Solution

The fourth proportional to 2,542.40, 3,509.50 and 2,472.18 is: 3,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.40 : 3,509.50 = 2,472.18 : x
  2. Step 2: Convert to fraction form
    2,542.40/3,509.50 = 2,472.18/x
  3. Step 3: Cross multiply
    2,542.40x = 3,509.50 × 2,472.18
  4. Step 4: Simplify right side
    2,542.40x = 8,676,107.40
  5. Step 5: Solve for x
    x = 8,676,107.40/2,542.40
  6. Step 6: Final answer
    x = 3,412.56

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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.