Home / 2,612.68-3,919.18-1,052.44

Finding the Fourth Proportional to 2,612.68, 3,919.18 and 1,052.44

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Solution

The fourth proportional to 2,612.68, 3,919.18 and 1,052.44 is: 1,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.68 : 3,919.18 = 1,052.44 : x
  2. Step 2: Convert to fraction form
    2,612.68/3,919.18 = 1,052.44/x
  3. Step 3: Cross multiply
    2,612.68x = 3,919.18 × 1,052.44
  4. Step 4: Simplify right side
    2,612.68x = 4,124,701.80
  5. Step 5: Solve for x
    x = 4,124,701.80/2,612.68
  6. Step 6: Final answer
    x = 1,578.72

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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.