Home / 2,989.27-4,125.17-1,662.89

Finding the Fourth Proportional to 2,989.27, 4,125.17 and 1,662.89

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Solution

The fourth proportional to 2,989.27, 4,125.17 and 1,662.89 is: 2,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.27 : 4,125.17 = 1,662.89 : x
  2. Step 2: Convert to fraction form
    2,989.27/4,125.17 = 1,662.89/x
  3. Step 3: Cross multiply
    2,989.27x = 4,125.17 × 1,662.89
  4. Step 4: Simplify right side
    2,989.27x = 6,859,703.94
  5. Step 5: Solve for x
    x = 6,859,703.94/2,989.27
  6. Step 6: Final answer
    x = 2,294.78

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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.