Home / 3,028.90-4,543.96-1,081.06

Finding the Fourth Proportional to 3,028.90, 4,543.96 and 1,081.06

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Solution

The fourth proportional to 3,028.90, 4,543.96 and 1,081.06 is: 1,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.90 : 4,543.96 = 1,081.06 : x
  2. Step 2: Convert to fraction form
    3,028.90/4,543.96 = 1,081.06/x
  3. Step 3: Cross multiply
    3,028.90x = 4,543.96 × 1,081.06
  4. Step 4: Simplify right side
    3,028.90x = 4,912,274.73
  5. Step 5: Solve for x
    x = 4,912,274.73/3,028.90
  6. Step 6: Final answer
    x = 1,621.80

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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.