Home / 2,542.79-3,508.82-1,480.68

Finding the Fourth Proportional to 2,542.79, 3,508.82 and 1,480.68

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Solution

The fourth proportional to 2,542.79, 3,508.82 and 1,480.68 is: 2,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.79 : 3,508.82 = 1,480.68 : x
  2. Step 2: Convert to fraction form
    2,542.79/3,508.82 = 1,480.68/x
  3. Step 3: Cross multiply
    2,542.79x = 3,508.82 × 1,480.68
  4. Step 4: Simplify right side
    2,542.79x = 5,195,437.75
  5. Step 5: Solve for x
    x = 5,195,437.75/2,542.79
  6. Step 6: Final answer
    x = 2,043.20

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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.