Home / 2,250.27-3,103.65-1,998.45

Finding the Fourth Proportional to 2,250.27, 3,103.65 and 1,998.45

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Solution

The fourth proportional to 2,250.27, 3,103.65 and 1,998.45 is: 2,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.27 : 3,103.65 = 1,998.45 : x
  2. Step 2: Convert to fraction form
    2,250.27/3,103.65 = 1,998.45/x
  3. Step 3: Cross multiply
    2,250.27x = 3,103.65 × 1,998.45
  4. Step 4: Simplify right side
    2,250.27x = 6,202,489.34
  5. Step 5: Solve for x
    x = 6,202,489.34/2,250.27
  6. Step 6: Final answer
    x = 2,756.33

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1.5x scale

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.