Home / 2,789.34-4,186.05-2,248.08

Finding the Fourth Proportional to 2,789.34, 4,186.05 and 2,248.08

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Solution

The fourth proportional to 2,789.34, 4,186.05 and 2,248.08 is: 3,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.34 : 4,186.05 = 2,248.08 : x
  2. Step 2: Convert to fraction form
    2,789.34/4,186.05 = 2,248.08/x
  3. Step 3: Cross multiply
    2,789.34x = 4,186.05 × 2,248.08
  4. Step 4: Simplify right side
    2,789.34x = 9,410,575.28
  5. Step 5: Solve for x
    x = 9,410,575.28/2,789.34
  6. Step 6: Final answer
    x = 3,373.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.