Home / 3,549.20-5,328.60-2,253.20

Finding the Fourth Proportional to 3,549.20, 5,328.60 and 2,253.20

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Solution

The fourth proportional to 3,549.20, 5,328.60 and 2,253.20 is: 3,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.20 : 5,328.60 = 2,253.20 : x
  2. Step 2: Convert to fraction form
    3,549.20/5,328.60 = 2,253.20/x
  3. Step 3: Cross multiply
    3,549.20x = 5,328.60 × 2,253.20
  4. Step 4: Simplify right side
    3,549.20x = 12,006,401.52
  5. Step 5: Solve for x
    x = 12,006,401.52/3,549.20
  6. Step 6: Final answer
    x = 3,382.85

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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.