Home / 2,207.52-3,046.20-1,276.08

Finding the Fourth Proportional to 2,207.52, 3,046.20 and 1,276.08

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Solution

The fourth proportional to 2,207.52, 3,046.20 and 1,276.08 is: 1,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.52 : 3,046.20 = 1,276.08 : x
  2. Step 2: Convert to fraction form
    2,207.52/3,046.20 = 1,276.08/x
  3. Step 3: Cross multiply
    2,207.52x = 3,046.20 × 1,276.08
  4. Step 4: Simplify right side
    2,207.52x = 3,887,194.90
  5. Step 5: Solve for x
    x = 3,887,194.90/2,207.52
  6. Step 6: Final answer
    x = 1,760.89

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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.