Home / 3,424.42-5,135.58-1,343.87

Finding the Fourth Proportional to 3,424.42, 5,135.58 and 1,343.87

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Solution

The fourth proportional to 3,424.42, 5,135.58 and 1,343.87 is: 2,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.42 : 5,135.58 = 1,343.87 : x
  2. Step 2: Convert to fraction form
    3,424.42/5,135.58 = 1,343.87/x
  3. Step 3: Cross multiply
    3,424.42x = 5,135.58 × 1,343.87
  4. Step 4: Simplify right side
    3,424.42x = 6,901,527.25
  5. Step 5: Solve for x
    x = 6,901,527.25/3,424.42
  6. Step 6: Final answer
    x = 2,015.39

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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.