Home / 3,028.76-4,540.40-1,080.51

Finding the Fourth Proportional to 3,028.76, 4,540.40 and 1,080.51

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Solution

The fourth proportional to 3,028.76, 4,540.40 and 1,080.51 is: 1,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.76 : 4,540.40 = 1,080.51 : x
  2. Step 2: Convert to fraction form
    3,028.76/4,540.40 = 1,080.51/x
  3. Step 3: Cross multiply
    3,028.76x = 4,540.40 × 1,080.51
  4. Step 4: Simplify right side
    3,028.76x = 4,905,929.23
  5. Step 5: Solve for x
    x = 4,905,929.23/3,028.76
  6. Step 6: Final answer
    x = 1,619.78

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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.