Home / 3,613.68-5,424.17-2,439.99

Finding the Fourth Proportional to 3,613.68, 5,424.17 and 2,439.99

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Solution

The fourth proportional to 3,613.68, 5,424.17 and 2,439.99 is: 3,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.68 : 5,424.17 = 2,439.99 : x
  2. Step 2: Convert to fraction form
    3,613.68/5,424.17 = 2,439.99/x
  3. Step 3: Cross multiply
    3,613.68x = 5,424.17 × 2,439.99
  4. Step 4: Simplify right side
    3,613.68x = 13,234,908.36
  5. Step 5: Solve for x
    x = 13,234,908.36/3,613.68
  6. Step 6: Final answer
    x = 3,662.45

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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.