Home / 3,029.20-4,543.83-1,081.55

Finding the Fourth Proportional to 3,029.20, 4,543.83 and 1,081.55

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Solution

The fourth proportional to 3,029.20, 4,543.83 and 1,081.55 is: 1,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.20 : 4,543.83 = 1,081.55 : x
  2. Step 2: Convert to fraction form
    3,029.20/4,543.83 = 1,081.55/x
  3. Step 3: Cross multiply
    3,029.20x = 4,543.83 × 1,081.55
  4. Step 4: Simplify right side
    3,029.20x = 4,914,390.70
  5. Step 5: Solve for x
    x = 4,914,390.70/3,029.20
  6. Step 6: Final answer
    x = 1,622.34

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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.