Home / 2,013.39-2,790.36-1,982.66

Finding the Fourth Proportional to 2,013.39, 2,790.36 and 1,982.66

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Solution

The fourth proportional to 2,013.39, 2,790.36 and 1,982.66 is: 2,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.39 : 2,790.36 = 1,982.66 : x
  2. Step 2: Convert to fraction form
    2,013.39/2,790.36 = 1,982.66/x
  3. Step 3: Cross multiply
    2,013.39x = 2,790.36 × 1,982.66
  4. Step 4: Simplify right side
    2,013.39x = 5,532,321.21
  5. Step 5: Solve for x
    x = 5,532,321.21/2,013.39
  6. Step 6: Final answer
    x = 2,747.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.