Home / 2,545.02-3,512.23-1,425.97

Finding the Fourth Proportional to 2,545.02, 3,512.23 and 1,425.97

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Solution

The fourth proportional to 2,545.02, 3,512.23 and 1,425.97 is: 1,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.02 : 3,512.23 = 1,425.97 : x
  2. Step 2: Convert to fraction form
    2,545.02/3,512.23 = 1,425.97/x
  3. Step 3: Cross multiply
    2,545.02x = 3,512.23 × 1,425.97
  4. Step 4: Simplify right side
    2,545.02x = 5,008,309.92
  5. Step 5: Solve for x
    x = 5,008,309.92/2,545.02
  6. Step 6: Final answer
    x = 1,967.89

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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.