Home / 2,278.94-3,416.90-1,169.04

Finding the Fourth Proportional to 2,278.94, 3,416.90 and 1,169.04

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Solution

The fourth proportional to 2,278.94, 3,416.90 and 1,169.04 is: 1,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.94 : 3,416.90 = 1,169.04 : x
  2. Step 2: Convert to fraction form
    2,278.94/3,416.90 = 1,169.04/x
  3. Step 3: Cross multiply
    2,278.94x = 3,416.90 × 1,169.04
  4. Step 4: Simplify right side
    2,278.94x = 3,994,486.93
  5. Step 5: Solve for x
    x = 3,994,486.93/2,278.94
  6. Step 6: Final answer
    x = 1,752.78

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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.