Home / 2,318.32-3,469.20-2,013.76

Finding the Fourth Proportional to 2,318.32, 3,469.20 and 2,013.76

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Solution

The fourth proportional to 2,318.32, 3,469.20 and 2,013.76 is: 3,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.32 : 3,469.20 = 2,013.76 : x
  2. Step 2: Convert to fraction form
    2,318.32/3,469.20 = 2,013.76/x
  3. Step 3: Cross multiply
    2,318.32x = 3,469.20 × 2,013.76
  4. Step 4: Simplify right side
    2,318.32x = 6,986,136.19
  5. Step 5: Solve for x
    x = 6,986,136.19/2,318.32
  6. Step 6: Final answer
    x = 3,013.45

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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.