Home / 2,822.82-3,895.70-1,563.94

Finding the Fourth Proportional to 2,822.82, 3,895.70 and 1,563.94

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Solution

The fourth proportional to 2,822.82, 3,895.70 and 1,563.94 is: 2,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.82 : 3,895.70 = 1,563.94 : x
  2. Step 2: Convert to fraction form
    2,822.82/3,895.70 = 1,563.94/x
  3. Step 3: Cross multiply
    2,822.82x = 3,895.70 × 1,563.94
  4. Step 4: Simplify right side
    2,822.82x = 6,092,641.06
  5. Step 5: Solve for x
    x = 6,092,641.06/2,822.82
  6. Step 6: Final answer
    x = 2,158.35

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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.