Home / 3,700.72-5,104.65-2,814.58

Finding the Fourth Proportional to 3,700.72, 5,104.65 and 2,814.58

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Solution

The fourth proportional to 3,700.72, 5,104.65 and 2,814.58 is: 3,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.72 : 5,104.65 = 2,814.58 : x
  2. Step 2: Convert to fraction form
    3,700.72/5,104.65 = 2,814.58/x
  3. Step 3: Cross multiply
    3,700.72x = 5,104.65 × 2,814.58
  4. Step 4: Simplify right side
    3,700.72x = 14,367,445.80
  5. Step 5: Solve for x
    x = 14,367,445.80/3,700.72
  6. Step 6: Final answer
    x = 3,882.34

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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.