Home / 2,781.98-4,173.16-2,641.84

Finding the Fourth Proportional to 2,781.98, 4,173.16 and 2,641.84

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Solution

The fourth proportional to 2,781.98, 4,173.16 and 2,641.84 is: 3,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.98 : 4,173.16 = 2,641.84 : x
  2. Step 2: Convert to fraction form
    2,781.98/4,173.16 = 2,641.84/x
  3. Step 3: Cross multiply
    2,781.98x = 4,173.16 × 2,641.84
  4. Step 4: Simplify right side
    2,781.98x = 11,024,821.01
  5. Step 5: Solve for x
    x = 11,024,821.01/2,781.98
  6. Step 6: Final answer
    x = 3,962.94

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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.