Home / 2,977.31-4,108.36-1,650.66

Finding the Fourth Proportional to 2,977.31, 4,108.36 and 1,650.66

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Solution

The fourth proportional to 2,977.31, 4,108.36 and 1,650.66 is: 2,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.31 : 4,108.36 = 1,650.66 : x
  2. Step 2: Convert to fraction form
    2,977.31/4,108.36 = 1,650.66/x
  3. Step 3: Cross multiply
    2,977.31x = 4,108.36 × 1,650.66
  4. Step 4: Simplify right side
    2,977.31x = 6,781,505.52
  5. Step 5: Solve for x
    x = 6,781,505.52/2,977.31
  6. Step 6: Final answer
    x = 2,277.73

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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.