Home / 1,034.25-1,551.38-486.15

Finding the Fourth Proportional to 1,034.25, 1,551.38 and 486.15

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Solution

The fourth proportional to 1,034.25, 1,551.38 and 486.15 is: 729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.25 : 1,551.38 = 486.15 : x
  2. Step 2: Convert to fraction form
    1,034.25/1,551.38 = 486.15/x
  3. Step 3: Cross multiply
    1,034.25x = 1,551.38 × 486.15
  4. Step 4: Simplify right side
    1,034.25x = 754,203.39
  5. Step 5: Solve for x
    x = 754,203.39/1,034.25
  6. Step 6: Final answer
    x = 729.23

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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.