Home / 3,424.86-5,135.58-1,343.52

Finding the Fourth Proportional to 3,424.86, 5,135.58 and 1,343.52

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Solution

The fourth proportional to 3,424.86, 5,135.58 and 1,343.52 is: 2,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.86 : 5,135.58 = 1,343.52 : x
  2. Step 2: Convert to fraction form
    3,424.86/5,135.58 = 1,343.52/x
  3. Step 3: Cross multiply
    3,424.86x = 5,135.58 × 1,343.52
  4. Step 4: Simplify right side
    3,424.86x = 6,899,754.44
  5. Step 5: Solve for x
    x = 6,899,754.44/3,424.86
  6. Step 6: Final answer
    x = 2,014.61

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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.