Home / 2,613.26-3,919.02-1,052.86

Finding the Fourth Proportional to 2,613.26, 3,919.02 and 1,052.86

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Solution

The fourth proportional to 2,613.26, 3,919.02 and 1,052.86 is: 1,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.26 : 3,919.02 = 1,052.86 : x
  2. Step 2: Convert to fraction form
    2,613.26/3,919.02 = 1,052.86/x
  3. Step 3: Cross multiply
    2,613.26x = 3,919.02 × 1,052.86
  4. Step 4: Simplify right side
    2,613.26x = 4,126,179.40
  5. Step 5: Solve for x
    x = 4,126,179.40/2,613.26
  6. Step 6: Final answer
    x = 1,578.94

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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.