Home / 2,827.62-3,902.34-1,568.79

Finding the Fourth Proportional to 2,827.62, 3,902.34 and 1,568.79

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Solution

The fourth proportional to 2,827.62, 3,902.34 and 1,568.79 is: 2,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.62 : 3,902.34 = 1,568.79 : x
  2. Step 2: Convert to fraction form
    2,827.62/3,902.34 = 1,568.79/x
  3. Step 3: Cross multiply
    2,827.62x = 3,902.34 × 1,568.79
  4. Step 4: Simplify right side
    2,827.62x = 6,121,957.85
  5. Step 5: Solve for x
    x = 6,121,957.85/2,827.62
  6. Step 6: Final answer
    x = 2,165.06

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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.