Home / 1,255.18-1,882.13-735.35

Finding the Fourth Proportional to 1,255.18, 1,882.13 and 735.35

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Solution

The fourth proportional to 1,255.18, 1,882.13 and 735.35 is: 1,102.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.18 : 1,882.13 = 735.35 : x
  2. Step 2: Convert to fraction form
    1,255.18/1,882.13 = 735.35/x
  3. Step 3: Cross multiply
    1,255.18x = 1,882.13 × 735.35
  4. Step 4: Simplify right side
    1,255.18x = 1,384,016.72
  5. Step 5: Solve for x
    x = 1,384,016.72/1,255.18
  6. Step 6: Final answer
    x = 1,102.65

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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.