Home / 2,187.11-3,019.35-1,700.96

Finding the Fourth Proportional to 2,187.11, 3,019.35 and 1,700.96

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Solution

The fourth proportional to 2,187.11, 3,019.35 and 1,700.96 is: 2,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.11 : 3,019.35 = 1,700.96 : x
  2. Step 2: Convert to fraction form
    2,187.11/3,019.35 = 1,700.96/x
  3. Step 3: Cross multiply
    2,187.11x = 3,019.35 × 1,700.96
  4. Step 4: Simplify right side
    2,187.11x = 5,135,793.58
  5. Step 5: Solve for x
    x = 5,135,793.58/2,187.11
  6. Step 6: Final answer
    x = 2,348.21

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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.