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Finding the Fourth Proportional to 3,544.52, 5,290.24 and 3,311.24

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Solution

The fourth proportional to 3,544.52, 5,290.24 and 3,311.24 is: 4,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.52 : 5,290.24 = 3,311.24 : x
  2. Step 2: Convert to fraction form
    3,544.52/5,290.24 = 3,311.24/x
  3. Step 3: Cross multiply
    3,544.52x = 5,290.24 × 3,311.24
  4. Step 4: Simplify right side
    3,544.52x = 17,517,254.30
  5. Step 5: Solve for x
    x = 17,517,254.30/3,544.52
  6. Step 6: Final answer
    x = 4,942.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.