Home / 3,424.14-5,140.62-1,781.82

Finding the Fourth Proportional to 3,424.14, 5,140.62 and 1,781.82

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Solution

The fourth proportional to 3,424.14, 5,140.62 and 1,781.82 is: 2,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.14 : 5,140.62 = 1,781.82 : x
  2. Step 2: Convert to fraction form
    3,424.14/5,140.62 = 1,781.82/x
  3. Step 3: Cross multiply
    3,424.14x = 5,140.62 × 1,781.82
  4. Step 4: Simplify right side
    3,424.14x = 9,159,659.53
  5. Step 5: Solve for x
    x = 9,159,659.53/3,424.14
  6. Step 6: Final answer
    x = 2,675.02

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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.