Home / 3,281.12-4,527.91-1,789.06

Finding the Fourth Proportional to 3,281.12, 4,527.91 and 1,789.06

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Solution

The fourth proportional to 3,281.12, 4,527.91 and 1,789.06 is: 2,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.12 : 4,527.91 = 1,789.06 : x
  2. Step 2: Convert to fraction form
    3,281.12/4,527.91 = 1,789.06/x
  3. Step 3: Cross multiply
    3,281.12x = 4,527.91 × 1,789.06
  4. Step 4: Simplify right side
    3,281.12x = 8,100,702.66
  5. Step 5: Solve for x
    x = 8,100,702.66/3,281.12
  6. Step 6: Final answer
    x = 2,468.88

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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.