Home / 1,454.09-2,003.94-1,080.47

Finding the Fourth Proportional to 1,454.09, 2,003.94 and 1,080.47

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Solution

The fourth proportional to 1,454.09, 2,003.94 and 1,080.47 is: 1,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.09 : 2,003.94 = 1,080.47 : x
  2. Step 2: Convert to fraction form
    1,454.09/2,003.94 = 1,080.47/x
  3. Step 3: Cross multiply
    1,454.09x = 2,003.94 × 1,080.47
  4. Step 4: Simplify right side
    1,454.09x = 2,165,202.06
  5. Step 5: Solve for x
    x = 2,165,202.06/1,454.09
  6. Step 6: Final answer
    x = 1,489.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.