Home / 2,080.73-2,871.40-1,149.23

Finding the Fourth Proportional to 2,080.73, 2,871.40 and 1,149.23

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Solution

The fourth proportional to 2,080.73, 2,871.40 and 1,149.23 is: 1,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.73 : 2,871.40 = 1,149.23 : x
  2. Step 2: Convert to fraction form
    2,080.73/2,871.40 = 1,149.23/x
  3. Step 3: Cross multiply
    2,080.73x = 2,871.40 × 1,149.23
  4. Step 4: Simplify right side
    2,080.73x = 3,299,899.02
  5. Step 5: Solve for x
    x = 3,299,899.02/2,080.73
  6. Step 6: Final answer
    x = 1,585.93

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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.