Home / 3,424.80-5,137.20-1,232.14

Finding the Fourth Proportional to 3,424.80, 5,137.20 and 1,232.14

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Solution

The fourth proportional to 3,424.80, 5,137.20 and 1,232.14 is: 1,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.80 : 5,137.20 = 1,232.14 : x
  2. Step 2: Convert to fraction form
    3,424.80/5,137.20 = 1,232.14/x
  3. Step 3: Cross multiply
    3,424.80x = 5,137.20 × 1,232.14
  4. Step 4: Simplify right side
    3,424.80x = 6,329,749.61
  5. Step 5: Solve for x
    x = 6,329,749.61/3,424.80
  6. Step 6: Final answer
    x = 1,848.21

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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.