Home / 2,278.90-3,419.52-1,184.14

Finding the Fourth Proportional to 2,278.90, 3,419.52 and 1,184.14

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Solution

The fourth proportional to 2,278.90, 3,419.52 and 1,184.14 is: 1,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.90 : 3,419.52 = 1,184.14 : x
  2. Step 2: Convert to fraction form
    2,278.90/3,419.52 = 1,184.14/x
  3. Step 3: Cross multiply
    2,278.90x = 3,419.52 × 1,184.14
  4. Step 4: Simplify right side
    2,278.90x = 4,049,190.41
  5. Step 5: Solve for x
    x = 4,049,190.41/2,278.90
  6. Step 6: Final answer
    x = 1,776.82

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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.