Home / 2,822.79-3,895.41-1,563.93

Finding the Fourth Proportional to 2,822.79, 3,895.41 and 1,563.93

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Solution

The fourth proportional to 2,822.79, 3,895.41 and 1,563.93 is: 2,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.79 : 3,895.41 = 1,563.93 : x
  2. Step 2: Convert to fraction form
    2,822.79/3,895.41 = 1,563.93/x
  3. Step 3: Cross multiply
    2,822.79x = 3,895.41 × 1,563.93
  4. Step 4: Simplify right side
    2,822.79x = 6,092,148.56
  5. Step 5: Solve for x
    x = 6,092,148.56/2,822.79
  6. Step 6: Final answer
    x = 2,158.20

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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.