Home / 2,976.73-4,108.13-1,650.86

Finding the Fourth Proportional to 2,976.73, 4,108.13 and 1,650.86

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Solution

The fourth proportional to 2,976.73, 4,108.13 and 1,650.86 is: 2,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.73 : 4,108.13 = 1,650.86 : x
  2. Step 2: Convert to fraction form
    2,976.73/4,108.13 = 1,650.86/x
  3. Step 3: Cross multiply
    2,976.73x = 4,108.13 × 1,650.86
  4. Step 4: Simplify right side
    2,976.73x = 6,781,947.49
  5. Step 5: Solve for x
    x = 6,781,947.49/2,976.73
  6. Step 6: Final answer
    x = 2,278.32

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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.