Home / 3,135.93-4,327.29-1,876.73

Finding the Fourth Proportional to 3,135.93, 4,327.29 and 1,876.73

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Solution

The fourth proportional to 3,135.93, 4,327.29 and 1,876.73 is: 2,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.93 : 4,327.29 = 1,876.73 : x
  2. Step 2: Convert to fraction form
    3,135.93/4,327.29 = 1,876.73/x
  3. Step 3: Cross multiply
    3,135.93x = 4,327.29 × 1,876.73
  4. Step 4: Simplify right side
    3,135.93x = 8,121,154.96
  5. Step 5: Solve for x
    x = 8,121,154.96/3,135.93
  6. Step 6: Final answer
    x = 2,589.71

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1.5x scale

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.