Home / 2,976.86-4,108.10-1,650.59

Finding the Fourth Proportional to 2,976.86, 4,108.10 and 1,650.59

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Solution

The fourth proportional to 2,976.86, 4,108.10 and 1,650.59 is: 2,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.86 : 4,108.10 = 1,650.59 : x
  2. Step 2: Convert to fraction form
    2,976.86/4,108.10 = 1,650.59/x
  3. Step 3: Cross multiply
    2,976.86x = 4,108.10 × 1,650.59
  4. Step 4: Simplify right side
    2,976.86x = 6,780,759.99
  5. Step 5: Solve for x
    x = 6,780,759.99/2,976.86
  6. Step 6: Final answer
    x = 2,277.82

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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.