Home / 2,872.73-3,964.34-1,693.85

Finding the Fourth Proportional to 2,872.73, 3,964.34 and 1,693.85

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Solution

The fourth proportional to 2,872.73, 3,964.34 and 1,693.85 is: 2,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.73 : 3,964.34 = 1,693.85 : x
  2. Step 2: Convert to fraction form
    2,872.73/3,964.34 = 1,693.85/x
  3. Step 3: Cross multiply
    2,872.73x = 3,964.34 × 1,693.85
  4. Step 4: Simplify right side
    2,872.73x = 6,714,981.72
  5. Step 5: Solve for x
    x = 6,714,981.72/2,872.73
  6. Step 6: Final answer
    x = 2,337.49

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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.