Home / 3,135.48-4,327.40-1,956.92

Finding the Fourth Proportional to 3,135.48, 4,327.40 and 1,956.92

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Solution

The fourth proportional to 3,135.48, 4,327.40 and 1,956.92 is: 2,700.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.48 : 4,327.40 = 1,956.92 : x
  2. Step 2: Convert to fraction form
    3,135.48/4,327.40 = 1,956.92/x
  3. Step 3: Cross multiply
    3,135.48x = 4,327.40 × 1,956.92
  4. Step 4: Simplify right side
    3,135.48x = 8,468,375.61
  5. Step 5: Solve for x
    x = 8,468,375.61/3,135.48
  6. Step 6: Final answer
    x = 2,700.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.