Home / 3,028.80-4,543.88-1,081

Finding the Fourth Proportional to 3,028.80, 4,543.88 and 1,081

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Solution

The fourth proportional to 3,028.80, 4,543.88 and 1,081 is: 1,621.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.80 : 4,543.88 = 1,081 : x
  2. Step 2: Convert to fraction form
    3,028.80/4,543.88 = 1,081/x
  3. Step 3: Cross multiply
    3,028.80x = 4,543.88 × 1,081
  4. Step 4: Simplify right side
    3,028.80x = 4,911,934.28
  5. Step 5: Solve for x
    x = 4,911,934.28/3,028.80
  6. Step 6: Final answer
    x = 1,621.74

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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.