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Finding the Fourth Proportional to 3,059.48, 4,589.39 and 868.03

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Solution

The fourth proportional to 3,059.48, 4,589.39 and 868.03 is: 1,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.48 : 4,589.39 = 868.03 : x
  2. Step 2: Convert to fraction form
    3,059.48/4,589.39 = 868.03/x
  3. Step 3: Cross multiply
    3,059.48x = 4,589.39 × 868.03
  4. Step 4: Simplify right side
    3,059.48x = 3,983,732.85
  5. Step 5: Solve for x
    x = 3,983,732.85/3,059.48
  6. Step 6: Final answer
    x = 1,302.10

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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.