Home / 2,313.13-3,469.80-2,149.11

Finding the Fourth Proportional to 2,313.13, 3,469.80 and 2,149.11

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Solution

The fourth proportional to 2,313.13, 3,469.80 and 2,149.11 is: 3,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.13 : 3,469.80 = 2,149.11 : x
  2. Step 2: Convert to fraction form
    2,313.13/3,469.80 = 2,149.11/x
  3. Step 3: Cross multiply
    2,313.13x = 3,469.80 × 2,149.11
  4. Step 4: Simplify right side
    2,313.13x = 7,456,981.88
  5. Step 5: Solve for x
    x = 7,456,981.88/2,313.13
  6. Step 6: Final answer
    x = 3,223.76

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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.