Home / 2,910.66-4,335.96-2,731.38

Finding the Fourth Proportional to 2,910.66, 4,335.96 and 2,731.38

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Solution

The fourth proportional to 2,910.66, 4,335.96 and 2,731.38 is: 4,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.66 : 4,335.96 = 2,731.38 : x
  2. Step 2: Convert to fraction form
    2,910.66/4,335.96 = 2,731.38/x
  3. Step 3: Cross multiply
    2,910.66x = 4,335.96 × 2,731.38
  4. Step 4: Simplify right side
    2,910.66x = 11,843,154.42
  5. Step 5: Solve for x
    x = 11,843,154.42/2,910.66
  6. Step 6: Final answer
    x = 4,068.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.