Home / 4,180.25-5,765.30-2,919.77

Finding the Fourth Proportional to 4,180.25, 5,765.30 and 2,919.77

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Solution

The fourth proportional to 4,180.25, 5,765.30 and 2,919.77 is: 4,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.25 : 5,765.30 = 2,919.77 : x
  2. Step 2: Convert to fraction form
    4,180.25/5,765.30 = 2,919.77/x
  3. Step 3: Cross multiply
    4,180.25x = 5,765.30 × 2,919.77
  4. Step 4: Simplify right side
    4,180.25x = 16,833,306.56
  5. Step 5: Solve for x
    x = 16,833,306.56/4,180.25
  6. Step 6: Final answer
    x = 4,026.87

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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.