Home / 2,822.95-3,895.62-1,563.97

Finding the Fourth Proportional to 2,822.95, 3,895.62 and 1,563.97

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Solution

The fourth proportional to 2,822.95, 3,895.62 and 1,563.97 is: 2,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.95 : 3,895.62 = 1,563.97 : x
  2. Step 2: Convert to fraction form
    2,822.95/3,895.62 = 1,563.97/x
  3. Step 3: Cross multiply
    2,822.95x = 3,895.62 × 1,563.97
  4. Step 4: Simplify right side
    2,822.95x = 6,092,632.81
  5. Step 5: Solve for x
    x = 6,092,632.81/2,822.95
  6. Step 6: Final answer
    x = 2,158.25

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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.