Home / 3,640.50-5,452.14-2,319.54

Finding the Fourth Proportional to 3,640.50, 5,452.14 and 2,319.54

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Solution

The fourth proportional to 3,640.50, 5,452.14 and 2,319.54 is: 3,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.50 : 5,452.14 = 2,319.54 : x
  2. Step 2: Convert to fraction form
    3,640.50/5,452.14 = 2,319.54/x
  3. Step 3: Cross multiply
    3,640.50x = 5,452.14 × 2,319.54
  4. Step 4: Simplify right side
    3,640.50x = 12,646,456.82
  5. Step 5: Solve for x
    x = 12,646,456.82/3,640.50
  6. Step 6: Final answer
    x = 3,473.82

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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.