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Finding the Fourth Proportional to 2,439.47, 3,659.21 and 590.59

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Solution

The fourth proportional to 2,439.47, 3,659.21 and 590.59 is: 885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.47 : 3,659.21 = 590.59 : x
  2. Step 2: Convert to fraction form
    2,439.47/3,659.21 = 590.59/x
  3. Step 3: Cross multiply
    2,439.47x = 3,659.21 × 590.59
  4. Step 4: Simplify right side
    2,439.47x = 2,161,071.58
  5. Step 5: Solve for x
    x = 2,161,071.58/2,439.47
  6. Step 6: Final answer
    x = 885.88

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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.