Home / 1,641.38-2,456.29-1,025.38

Finding the Fourth Proportional to 1,641.38, 2,456.29 and 1,025.38

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Solution

The fourth proportional to 1,641.38, 2,456.29 and 1,025.38 is: 1,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.38 : 2,456.29 = 1,025.38 : x
  2. Step 2: Convert to fraction form
    1,641.38/2,456.29 = 1,025.38/x
  3. Step 3: Cross multiply
    1,641.38x = 2,456.29 × 1,025.38
  4. Step 4: Simplify right side
    1,641.38x = 2,518,615.80
  5. Step 5: Solve for x
    x = 2,518,615.80/1,641.38
  6. Step 6: Final answer
    x = 1,534.45

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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.