Home / 2,447.22-3,667.05-1,147.17

Finding the Fourth Proportional to 2,447.22, 3,667.05 and 1,147.17

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Solution

The fourth proportional to 2,447.22, 3,667.05 and 1,147.17 is: 1,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.22 : 3,667.05 = 1,147.17 : x
  2. Step 2: Convert to fraction form
    2,447.22/3,667.05 = 1,147.17/x
  3. Step 3: Cross multiply
    2,447.22x = 3,667.05 × 1,147.17
  4. Step 4: Simplify right side
    2,447.22x = 4,206,729.75
  5. Step 5: Solve for x
    x = 4,206,729.75/2,447.22
  6. Step 6: Final answer
    x = 1,718.98

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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.