Home / 3,424.27-5,138.82-1,577.47

Finding the Fourth Proportional to 3,424.27, 5,138.82 and 1,577.47

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Solution

The fourth proportional to 3,424.27, 5,138.82 and 1,577.47 is: 2,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.27 : 5,138.82 = 1,577.47 : x
  2. Step 2: Convert to fraction form
    3,424.27/5,138.82 = 1,577.47/x
  3. Step 3: Cross multiply
    3,424.27x = 5,138.82 × 1,577.47
  4. Step 4: Simplify right side
    3,424.27x = 8,106,334.39
  5. Step 5: Solve for x
    x = 8,106,334.39/3,424.27
  6. Step 6: Final answer
    x = 2,367.32

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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.