Home / 2,716.30-4,077.19-1,983.66

Finding the Fourth Proportional to 2,716.30, 4,077.19 and 1,983.66

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Solution

The fourth proportional to 2,716.30, 4,077.19 and 1,983.66 is: 2,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.30 : 4,077.19 = 1,983.66 : x
  2. Step 2: Convert to fraction form
    2,716.30/4,077.19 = 1,983.66/x
  3. Step 3: Cross multiply
    2,716.30x = 4,077.19 × 1,983.66
  4. Step 4: Simplify right side
    2,716.30x = 8,087,734.75
  5. Step 5: Solve for x
    x = 8,087,734.75/2,716.30
  6. Step 6: Final answer
    x = 2,977.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.