Home / 4,049.88-6,074.90-1,128.18

Finding the Fourth Proportional to 4,049.88, 6,074.90 and 1,128.18

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Solution

The fourth proportional to 4,049.88, 6,074.90 and 1,128.18 is: 1,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.88 : 6,074.90 = 1,128.18 : x
  2. Step 2: Convert to fraction form
    4,049.88/6,074.90 = 1,128.18/x
  3. Step 3: Cross multiply
    4,049.88x = 6,074.90 × 1,128.18
  4. Step 4: Simplify right side
    4,049.88x = 6,853,575.04
  5. Step 5: Solve for x
    x = 6,853,575.04/4,049.88
  6. Step 6: Final answer
    x = 1,692.29

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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.