Home / 3,424.69-5,137.04-1,374.13

Finding the Fourth Proportional to 3,424.69, 5,137.04 and 1,374.13

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Solution

The fourth proportional to 3,424.69, 5,137.04 and 1,374.13 is: 2,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.69 : 5,137.04 = 1,374.13 : x
  2. Step 2: Convert to fraction form
    3,424.69/5,137.04 = 1,374.13/x
  3. Step 3: Cross multiply
    3,424.69x = 5,137.04 × 1,374.13
  4. Step 4: Simplify right side
    3,424.69x = 7,058,960.78
  5. Step 5: Solve for x
    x = 7,058,960.78/3,424.69
  6. Step 6: Final answer
    x = 2,061.20

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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.