Home / 3,996.68-5,513.88-2,424.20

Finding the Fourth Proportional to 3,996.68, 5,513.88 and 2,424.20

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Solution

The fourth proportional to 3,996.68, 5,513.88 and 2,424.20 is: 3,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.68 : 5,513.88 = 2,424.20 : x
  2. Step 2: Convert to fraction form
    3,996.68/5,513.88 = 2,424.20/x
  3. Step 3: Cross multiply
    3,996.68x = 5,513.88 × 2,424.20
  4. Step 4: Simplify right side
    3,996.68x = 13,366,747.90
  5. Step 5: Solve for x
    x = 13,366,747.90/3,996.68
  6. Step 6: Final answer
    x = 3,344.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.