Home / 3,424.49-5,134.41-1,343.19

Finding the Fourth Proportional to 3,424.49, 5,134.41 and 1,343.19

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Solution

The fourth proportional to 3,424.49, 5,134.41 and 1,343.19 is: 2,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.49 : 5,134.41 = 1,343.19 : x
  2. Step 2: Convert to fraction form
    3,424.49/5,134.41 = 1,343.19/x
  3. Step 3: Cross multiply
    3,424.49x = 5,134.41 × 1,343.19
  4. Step 4: Simplify right side
    3,424.49x = 6,896,488.17
  5. Step 5: Solve for x
    x = 6,896,488.17/3,424.49
  6. Step 6: Final answer
    x = 2,013.87

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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.