Home / 2,976.88-4,108.30-1,650.71

Finding the Fourth Proportional to 2,976.88, 4,108.30 and 1,650.71

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Solution

The fourth proportional to 2,976.88, 4,108.30 and 1,650.71 is: 2,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.88 : 4,108.30 = 1,650.71 : x
  2. Step 2: Convert to fraction form
    2,976.88/4,108.30 = 1,650.71/x
  3. Step 3: Cross multiply
    2,976.88x = 4,108.30 × 1,650.71
  4. Step 4: Simplify right side
    2,976.88x = 6,781,591.35
  5. Step 5: Solve for x
    x = 6,781,591.35/2,976.88
  6. Step 6: Final answer
    x = 2,278.09

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1.5x scale

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.