Home / 2,959.23-4,438.85-767.96

Finding the Fourth Proportional to 2,959.23, 4,438.85 and 767.96

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Solution

The fourth proportional to 2,959.23, 4,438.85 and 767.96 is: 1,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.23 : 4,438.85 = 767.96 : x
  2. Step 2: Convert to fraction form
    2,959.23/4,438.85 = 767.96/x
  3. Step 3: Cross multiply
    2,959.23x = 4,438.85 × 767.96
  4. Step 4: Simplify right side
    2,959.23x = 3,408,833.21
  5. Step 5: Solve for x
    x = 3,408,833.21/2,959.23
  6. Step 6: Final answer
    x = 1,151.93

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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.