Home / 2,793.13-4,186.65-1,310.83

Finding the Fourth Proportional to 2,793.13, 4,186.65 and 1,310.83

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Solution

The fourth proportional to 2,793.13, 4,186.65 and 1,310.83 is: 1,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.13 : 4,186.65 = 1,310.83 : x
  2. Step 2: Convert to fraction form
    2,793.13/4,186.65 = 1,310.83/x
  3. Step 3: Cross multiply
    2,793.13x = 4,186.65 × 1,310.83
  4. Step 4: Simplify right side
    2,793.13x = 5,487,986.42
  5. Step 5: Solve for x
    x = 5,487,986.42/2,793.13
  6. Step 6: Final answer
    x = 1,964.82

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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.