Home / 3,376.16-5,065.76-2,143.24

Finding the Fourth Proportional to 3,376.16, 5,065.76 and 2,143.24

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Solution

The fourth proportional to 3,376.16, 5,065.76 and 2,143.24 is: 3,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.16 : 5,065.76 = 2,143.24 : x
  2. Step 2: Convert to fraction form
    3,376.16/5,065.76 = 2,143.24/x
  3. Step 3: Cross multiply
    3,376.16x = 5,065.76 × 2,143.24
  4. Step 4: Simplify right side
    3,376.16x = 10,857,120.10
  5. Step 5: Solve for x
    x = 10,857,120.10/3,376.16
  6. Step 6: Final answer
    x = 3,215.82

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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.