Home / 2,917.27-4,347.78-2,912.66

Finding the Fourth Proportional to 2,917.27, 4,347.78 and 2,912.66

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Solution

The fourth proportional to 2,917.27, 4,347.78 and 2,912.66 is: 4,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.27 : 4,347.78 = 2,912.66 : x
  2. Step 2: Convert to fraction form
    2,917.27/4,347.78 = 2,912.66/x
  3. Step 3: Cross multiply
    2,917.27x = 4,347.78 × 2,912.66
  4. Step 4: Simplify right side
    2,917.27x = 12,663,588.54
  5. Step 5: Solve for x
    x = 12,663,588.54/2,917.27
  6. Step 6: Final answer
    x = 4,340.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.