Home / 4,102.89-6,145.61-2,149.17

Finding the Fourth Proportional to 4,102.89, 6,145.61 and 2,149.17

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Solution

The fourth proportional to 4,102.89, 6,145.61 and 2,149.17 is: 3,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.89 : 6,145.61 = 2,149.17 : x
  2. Step 2: Convert to fraction form
    4,102.89/6,145.61 = 2,149.17/x
  3. Step 3: Cross multiply
    4,102.89x = 6,145.61 × 2,149.17
  4. Step 4: Simplify right side
    4,102.89x = 13,207,949.90
  5. Step 5: Solve for x
    x = 13,207,949.90/4,102.89
  6. Step 6: Final answer
    x = 3,219.18

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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.