Home / 1,484.30-2,229.92-868.44

Finding the Fourth Proportional to 1,484.30, 2,229.92 and 868.44

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Solution

The fourth proportional to 1,484.30, 2,229.92 and 868.44 is: 1,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.30 : 2,229.92 = 868.44 : x
  2. Step 2: Convert to fraction form
    1,484.30/2,229.92 = 868.44/x
  3. Step 3: Cross multiply
    1,484.30x = 2,229.92 × 868.44
  4. Step 4: Simplify right side
    1,484.30x = 1,936,559.00
  5. Step 5: Solve for x
    x = 1,936,559.00/1,484.30
  6. Step 6: Final answer
    x = 1,304.69

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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.