Home / 2,080.59-2,871.21-1,149.09

Finding the Fourth Proportional to 2,080.59, 2,871.21 and 1,149.09

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Solution

The fourth proportional to 2,080.59, 2,871.21 and 1,149.09 is: 1,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.59 : 2,871.21 = 1,149.09 : x
  2. Step 2: Convert to fraction form
    2,080.59/2,871.21 = 1,149.09/x
  3. Step 3: Cross multiply
    2,080.59x = 2,871.21 × 1,149.09
  4. Step 4: Simplify right side
    2,080.59x = 3,299,264.34
  5. Step 5: Solve for x
    x = 3,299,264.34/2,080.59
  6. Step 6: Final answer
    x = 1,585.74

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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.