Home / 3,101.22-4,643.51-2,609.15

Finding the Fourth Proportional to 3,101.22, 4,643.51 and 2,609.15

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Solution

The fourth proportional to 3,101.22, 4,643.51 and 2,609.15 is: 3,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.22 : 4,643.51 = 2,609.15 : x
  2. Step 2: Convert to fraction form
    3,101.22/4,643.51 = 2,609.15/x
  3. Step 3: Cross multiply
    3,101.22x = 4,643.51 × 2,609.15
  4. Step 4: Simplify right side
    3,101.22x = 12,115,592.53
  5. Step 5: Solve for x
    x = 12,115,592.53/3,101.22
  6. Step 6: Final answer
    x = 3,906.72

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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.