Home / 3,614.15-4,988.05-2,122.88

Finding the Fourth Proportional to 3,614.15, 4,988.05 and 2,122.88

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Solution

The fourth proportional to 3,614.15, 4,988.05 and 2,122.88 is: 2,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.15 : 4,988.05 = 2,122.88 : x
  2. Step 2: Convert to fraction form
    3,614.15/4,988.05 = 2,122.88/x
  3. Step 3: Cross multiply
    3,614.15x = 4,988.05 × 2,122.88
  4. Step 4: Simplify right side
    3,614.15x = 10,589,031.58
  5. Step 5: Solve for x
    x = 10,589,031.58/3,614.15
  6. Step 6: Final answer
    x = 2,929.88

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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.