Home / 3,614.22-4,987.18-2,020.96

Finding the Fourth Proportional to 3,614.22, 4,987.18 and 2,020.96

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Solution

The fourth proportional to 3,614.22, 4,987.18 and 2,020.96 is: 2,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.22 : 4,987.18 = 2,020.96 : x
  2. Step 2: Convert to fraction form
    3,614.22/4,987.18 = 2,020.96/x
  3. Step 3: Cross multiply
    3,614.22x = 4,987.18 × 2,020.96
  4. Step 4: Simplify right side
    3,614.22x = 10,078,891.29
  5. Step 5: Solve for x
    x = 10,078,891.29/3,614.22
  6. Step 6: Final answer
    x = 2,788.68

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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.