Home / 3,424.16-5,134.41-2,691.51

Finding the Fourth Proportional to 3,424.16, 5,134.41 and 2,691.51

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Solution

The fourth proportional to 3,424.16, 5,134.41 and 2,691.51 is: 4,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.16 : 5,134.41 = 2,691.51 : x
  2. Step 2: Convert to fraction form
    3,424.16/5,134.41 = 2,691.51/x
  3. Step 3: Cross multiply
    3,424.16x = 5,134.41 × 2,691.51
  4. Step 4: Simplify right side
    3,424.16x = 13,819,315.86
  5. Step 5: Solve for x
    x = 13,819,315.86/3,424.16
  6. Step 6: Final answer
    x = 4,035.83

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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.