Home / 3,401.12-5,101.92-1,424.76

Finding the Fourth Proportional to 3,401.12, 5,101.92 and 1,424.76

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Solution

The fourth proportional to 3,401.12, 5,101.92 and 1,424.76 is: 2,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.12 : 5,101.92 = 1,424.76 : x
  2. Step 2: Convert to fraction form
    3,401.12/5,101.92 = 1,424.76/x
  3. Step 3: Cross multiply
    3,401.12x = 5,101.92 × 1,424.76
  4. Step 4: Simplify right side
    3,401.12x = 7,269,011.54
  5. Step 5: Solve for x
    x = 7,269,011.54/3,401.12
  6. Step 6: Final answer
    x = 2,137.24

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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.