Home / 2,773.08-4,153.56-2,151.96

Finding the Fourth Proportional to 2,773.08, 4,153.56 and 2,151.96

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Solution

The fourth proportional to 2,773.08, 4,153.56 and 2,151.96 is: 3,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.08 : 4,153.56 = 2,151.96 : x
  2. Step 2: Convert to fraction form
    2,773.08/4,153.56 = 2,151.96/x
  3. Step 3: Cross multiply
    2,773.08x = 4,153.56 × 2,151.96
  4. Step 4: Simplify right side
    2,773.08x = 8,938,294.98
  5. Step 5: Solve for x
    x = 8,938,294.98/2,773.08
  6. Step 6: Final answer
    x = 3,223.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.