Home / 3,289.92-4,541.58-2,170.95

Finding the Fourth Proportional to 3,289.92, 4,541.58 and 2,170.95

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Solution

The fourth proportional to 3,289.92, 4,541.58 and 2,170.95 is: 2,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.92 : 4,541.58 = 2,170.95 : x
  2. Step 2: Convert to fraction form
    3,289.92/4,541.58 = 2,170.95/x
  3. Step 3: Cross multiply
    3,289.92x = 4,541.58 × 2,170.95
  4. Step 4: Simplify right side
    3,289.92x = 9,859,543.10
  5. Step 5: Solve for x
    x = 9,859,543.10/3,289.92
  6. Step 6: Final answer
    x = 2,996.89

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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.