Home / 1,518.23-2,272.68-1,080.02

Finding the Fourth Proportional to 1,518.23, 2,272.68 and 1,080.02

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Solution

The fourth proportional to 1,518.23, 2,272.68 and 1,080.02 is: 1,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.23 : 2,272.68 = 1,080.02 : x
  2. Step 2: Convert to fraction form
    1,518.23/2,272.68 = 1,080.02/x
  3. Step 3: Cross multiply
    1,518.23x = 2,272.68 × 1,080.02
  4. Step 4: Simplify right side
    1,518.23x = 2,454,528.49
  5. Step 5: Solve for x
    x = 2,454,528.49/1,518.23
  6. Step 6: Final answer
    x = 1,616.71

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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.