Home / 3,630.56-5,439.68-2,240.45

Finding the Fourth Proportional to 3,630.56, 5,439.68 and 2,240.45

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Solution

The fourth proportional to 3,630.56, 5,439.68 and 2,240.45 is: 3,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.56 : 5,439.68 = 2,240.45 : x
  2. Step 2: Convert to fraction form
    3,630.56/5,439.68 = 2,240.45/x
  3. Step 3: Cross multiply
    3,630.56x = 5,439.68 × 2,240.45
  4. Step 4: Simplify right side
    3,630.56x = 12,187,292.66
  5. Step 5: Solve for x
    x = 12,187,292.66/3,630.56
  6. Step 6: Final answer
    x = 3,356.87

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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.