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Finding the Fourth Proportional to 2,231.90, 3,348.52 and 750.95

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Solution

The fourth proportional to 2,231.90, 3,348.52 and 750.95 is: 1,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.90 : 3,348.52 = 750.95 : x
  2. Step 2: Convert to fraction form
    2,231.90/3,348.52 = 750.95/x
  3. Step 3: Cross multiply
    2,231.90x = 3,348.52 × 750.95
  4. Step 4: Simplify right side
    2,231.90x = 2,514,554.35
  5. Step 5: Solve for x
    x = 2,514,554.35/2,231.90
  6. Step 6: Final answer
    x = 1,126.65

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1.5x scale

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.