Home / 2,822.86-3,895.50-1,563.84

Finding the Fourth Proportional to 2,822.86, 3,895.50 and 1,563.84

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Solution

The fourth proportional to 2,822.86, 3,895.50 and 1,563.84 is: 2,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.86 : 3,895.50 = 1,563.84 : x
  2. Step 2: Convert to fraction form
    2,822.86/3,895.50 = 1,563.84/x
  3. Step 3: Cross multiply
    2,822.86x = 3,895.50 × 1,563.84
  4. Step 4: Simplify right side
    2,822.86x = 6,091,938.72
  5. Step 5: Solve for x
    x = 6,091,938.72/2,822.86
  6. Step 6: Final answer
    x = 2,158.07

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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.