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Finding the Fourth Proportional to 1,479.34, 2,217.59 and 601.64

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Solution

The fourth proportional to 1,479.34, 2,217.59 and 601.64 is: 901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.34 : 2,217.59 = 601.64 : x
  2. Step 2: Convert to fraction form
    1,479.34/2,217.59 = 601.64/x
  3. Step 3: Cross multiply
    1,479.34x = 2,217.59 × 601.64
  4. Step 4: Simplify right side
    1,479.34x = 1,334,190.85
  5. Step 5: Solve for x
    x = 1,334,190.85/1,479.34
  6. Step 6: Final answer
    x = 901.88

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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.