Home / 3,767.22-5,654.30-1,919.61

Finding the Fourth Proportional to 3,767.22, 5,654.30 and 1,919.61

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Solution

The fourth proportional to 3,767.22, 5,654.30 and 1,919.61 is: 2,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.22 : 5,654.30 = 1,919.61 : x
  2. Step 2: Convert to fraction form
    3,767.22/5,654.30 = 1,919.61/x
  3. Step 3: Cross multiply
    3,767.22x = 5,654.30 × 1,919.61
  4. Step 4: Simplify right side
    3,767.22x = 10,854,041.22
  5. Step 5: Solve for x
    x = 10,854,041.22/3,767.22
  6. Step 6: Final answer
    x = 2,881.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.