Home / 2,049.08-2,826.92-1,261.76

Finding the Fourth Proportional to 2,049.08, 2,826.92 and 1,261.76

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Solution

The fourth proportional to 2,049.08, 2,826.92 and 1,261.76 is: 1,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.08 : 2,826.92 = 1,261.76 : x
  2. Step 2: Convert to fraction form
    2,049.08/2,826.92 = 1,261.76/x
  3. Step 3: Cross multiply
    2,049.08x = 2,826.92 × 1,261.76
  4. Step 4: Simplify right side
    2,049.08x = 3,566,874.14
  5. Step 5: Solve for x
    x = 3,566,874.14/2,049.08
  6. Step 6: Final answer
    x = 1,740.72

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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.