Home / 3,614.88-4,988.64-2,042.96

Finding the Fourth Proportional to 3,614.88, 4,988.64 and 2,042.96

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Solution

The fourth proportional to 3,614.88, 4,988.64 and 2,042.96 is: 2,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.88 : 4,988.64 = 2,042.96 : x
  2. Step 2: Convert to fraction form
    3,614.88/4,988.64 = 2,042.96/x
  3. Step 3: Cross multiply
    3,614.88x = 4,988.64 × 2,042.96
  4. Step 4: Simplify right side
    3,614.88x = 10,191,591.97
  5. Step 5: Solve for x
    x = 10,191,591.97/3,614.88
  6. Step 6: Final answer
    x = 2,819.34

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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.