Home / 2,822.62-3,895.87-1,878.46

Finding the Fourth Proportional to 2,822.62, 3,895.87 and 1,878.46

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Solution

The fourth proportional to 2,822.62, 3,895.87 and 1,878.46 is: 2,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.62 : 3,895.87 = 1,878.46 : x
  2. Step 2: Convert to fraction form
    2,822.62/3,895.87 = 1,878.46/x
  3. Step 3: Cross multiply
    2,822.62x = 3,895.87 × 1,878.46
  4. Step 4: Simplify right side
    2,822.62x = 7,318,221.18
  5. Step 5: Solve for x
    x = 7,318,221.18/2,822.62
  6. Step 6: Final answer
    x = 2,592.70

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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.