Home / 2,876.88-3,966.66-2,037.72

Finding the Fourth Proportional to 2,876.88, 3,966.66 and 2,037.72

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Solution

The fourth proportional to 2,876.88, 3,966.66 and 2,037.72 is: 2,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.88 : 3,966.66 = 2,037.72 : x
  2. Step 2: Convert to fraction form
    2,876.88/3,966.66 = 2,037.72/x
  3. Step 3: Cross multiply
    2,876.88x = 3,966.66 × 2,037.72
  4. Step 4: Simplify right side
    2,876.88x = 8,082,942.42
  5. Step 5: Solve for x
    x = 8,082,942.42/2,876.88
  6. Step 6: Final answer
    x = 2,809.62

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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.