Home / 2,418.32-3,627.84-1,119.92

Finding the Fourth Proportional to 2,418.32, 3,627.84 and 1,119.92

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Solution

The fourth proportional to 2,418.32, 3,627.84 and 1,119.92 is: 1,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.32 : 3,627.84 = 1,119.92 : x
  2. Step 2: Convert to fraction form
    2,418.32/3,627.84 = 1,119.92/x
  3. Step 3: Cross multiply
    2,418.32x = 3,627.84 × 1,119.92
  4. Step 4: Simplify right side
    2,418.32x = 4,062,890.57
  5. Step 5: Solve for x
    x = 4,062,890.57/2,418.32
  6. Step 6: Final answer
    x = 1,680.05

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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.