Home / 3,996.88-5,513.76-2,423.84

Finding the Fourth Proportional to 3,996.88, 5,513.76 and 2,423.84

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Solution

The fourth proportional to 3,996.88, 5,513.76 and 2,423.84 is: 3,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.88 : 5,513.76 = 2,423.84 : x
  2. Step 2: Convert to fraction form
    3,996.88/5,513.76 = 2,423.84/x
  3. Step 3: Cross multiply
    3,996.88x = 5,513.76 × 2,423.84
  4. Step 4: Simplify right side
    3,996.88x = 13,364,472.04
  5. Step 5: Solve for x
    x = 13,364,472.04/3,996.88
  6. Step 6: Final answer
    x = 3,343.73

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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.