Home / 3,028.90-4,542.40-1,080.62

Finding the Fourth Proportional to 3,028.90, 4,542.40 and 1,080.62

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Solution

The fourth proportional to 3,028.90, 4,542.40 and 1,080.62 is: 1,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.90 : 4,542.40 = 1,080.62 : x
  2. Step 2: Convert to fraction form
    3,028.90/4,542.40 = 1,080.62/x
  3. Step 3: Cross multiply
    3,028.90x = 4,542.40 × 1,080.62
  4. Step 4: Simplify right side
    3,028.90x = 4,908,608.29
  5. Step 5: Solve for x
    x = 4,908,608.29/3,028.90
  6. Step 6: Final answer
    x = 1,620.59

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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.