Home / 3,724.20-5,543.76-3,668.84

Finding the Fourth Proportional to 3,724.20, 5,543.76 and 3,668.84

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Solution

The fourth proportional to 3,724.20, 5,543.76 and 3,668.84 is: 5,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.20 : 5,543.76 = 3,668.84 : x
  2. Step 2: Convert to fraction form
    3,724.20/5,543.76 = 3,668.84/x
  3. Step 3: Cross multiply
    3,724.20x = 5,543.76 × 3,668.84
  4. Step 4: Simplify right side
    3,724.20x = 20,339,168.44
  5. Step 5: Solve for x
    x = 20,339,168.44/3,724.20
  6. Step 6: Final answer
    x = 5,461.35

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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.