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Finding the Fourth Proportional to 3,229.76, 4,844.18 and 1,038.21

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Solution

The fourth proportional to 3,229.76, 4,844.18 and 1,038.21 is: 1,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.76 : 4,844.18 = 1,038.21 : x
  2. Step 2: Convert to fraction form
    3,229.76/4,844.18 = 1,038.21/x
  3. Step 3: Cross multiply
    3,229.76x = 4,844.18 × 1,038.21
  4. Step 4: Simplify right side
    3,229.76x = 5,029,251.90
  5. Step 5: Solve for x
    x = 5,029,251.90/3,229.76
  6. Step 6: Final answer
    x = 1,557.16

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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.