Home / 3,514.11-5,255.67-3,126.84

Finding the Fourth Proportional to 3,514.11, 5,255.67 and 3,126.84

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Solution

The fourth proportional to 3,514.11, 5,255.67 and 3,126.84 is: 4,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.11 : 5,255.67 = 3,126.84 : x
  2. Step 2: Convert to fraction form
    3,514.11/5,255.67 = 3,126.84/x
  3. Step 3: Cross multiply
    3,514.11x = 5,255.67 × 3,126.84
  4. Step 4: Simplify right side
    3,514.11x = 16,433,639.18
  5. Step 5: Solve for x
    x = 16,433,639.18/3,514.11
  6. Step 6: Final answer
    x = 4,676.47

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1.5x scale

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.