Home / 3,374.50-5,060.54-1,426.86

Finding the Fourth Proportional to 3,374.50, 5,060.54 and 1,426.86

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Solution

The fourth proportional to 3,374.50, 5,060.54 and 1,426.86 is: 2,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.50 : 5,060.54 = 1,426.86 : x
  2. Step 2: Convert to fraction form
    3,374.50/5,060.54 = 1,426.86/x
  3. Step 3: Cross multiply
    3,374.50x = 5,060.54 × 1,426.86
  4. Step 4: Simplify right side
    3,374.50x = 7,220,682.10
  5. Step 5: Solve for x
    x = 7,220,682.10/3,374.50
  6. Step 6: Final answer
    x = 2,139.78

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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.