Home / 2,872.50-3,965.91-2,241.93

Finding the Fourth Proportional to 2,872.50, 3,965.91 and 2,241.93

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Solution

The fourth proportional to 2,872.50, 3,965.91 and 2,241.93 is: 3,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.50 : 3,965.91 = 2,241.93 : x
  2. Step 2: Convert to fraction form
    2,872.50/3,965.91 = 2,241.93/x
  3. Step 3: Cross multiply
    2,872.50x = 3,965.91 × 2,241.93
  4. Step 4: Simplify right side
    2,872.50x = 8,891,292.61
  5. Step 5: Solve for x
    x = 8,891,292.61/2,872.50
  6. Step 6: Final answer
    x = 3,095.32

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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.