Home / 2,951.16-4,426.99-976.78

Finding the Fourth Proportional to 2,951.16, 4,426.99 and 976.78

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Solution

The fourth proportional to 2,951.16, 4,426.99 and 976.78 is: 1,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.16 : 4,426.99 = 976.78 : x
  2. Step 2: Convert to fraction form
    2,951.16/4,426.99 = 976.78/x
  3. Step 3: Cross multiply
    2,951.16x = 4,426.99 × 976.78
  4. Step 4: Simplify right side
    2,951.16x = 4,324,198.38
  5. Step 5: Solve for x
    x = 4,324,198.38/2,951.16
  6. Step 6: Final answer
    x = 1,465.26

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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.