Home / 3,996-5,513.61-2,423.79

Finding the Fourth Proportional to 3,996, 5,513.61 and 2,423.79

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Solution

The fourth proportional to 3,996, 5,513.61 and 2,423.79 is: 3,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996 : 5,513.61 = 2,423.79 : x
  2. Step 2: Convert to fraction form
    3,996/5,513.61 = 2,423.79/x
  3. Step 3: Cross multiply
    3,996x = 5,513.61 × 2,423.79
  4. Step 4: Simplify right side
    3,996x = 13,363,832.78
  5. Step 5: Solve for x
    x = 13,363,832.78/3,996
  6. Step 6: Final answer
    x = 3,344.30

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Double scale
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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.