Home / 2,080.15-2,866.66-1,489.66

Finding the Fourth Proportional to 2,080.15, 2,866.66 and 1,489.66

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Solution

The fourth proportional to 2,080.15, 2,866.66 and 1,489.66 is: 2,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.15 : 2,866.66 = 1,489.66 : x
  2. Step 2: Convert to fraction form
    2,080.15/2,866.66 = 1,489.66/x
  3. Step 3: Cross multiply
    2,080.15x = 2,866.66 × 1,489.66
  4. Step 4: Simplify right side
    2,080.15x = 4,270,337.84
  5. Step 5: Solve for x
    x = 4,270,337.84/2,080.15
  6. Step 6: Final answer
    x = 2,052.90

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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.