Home / 2,189.89-3,043.06-2,167.42

Finding the Fourth Proportional to 2,189.89, 3,043.06 and 2,167.42

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Solution

The fourth proportional to 2,189.89, 3,043.06 and 2,167.42 is: 3,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.89 : 3,043.06 = 2,167.42 : x
  2. Step 2: Convert to fraction form
    2,189.89/3,043.06 = 2,167.42/x
  3. Step 3: Cross multiply
    2,189.89x = 3,043.06 × 2,167.42
  4. Step 4: Simplify right side
    2,189.89x = 6,595,589.11
  5. Step 5: Solve for x
    x = 6,595,589.11/2,189.89
  6. Step 6: Final answer
    x = 3,011.84

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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.