Home / 3,111.52-4,667.36-1,060.96

Finding the Fourth Proportional to 3,111.52, 4,667.36 and 1,060.96

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Solution

The fourth proportional to 3,111.52, 4,667.36 and 1,060.96 is: 1,591.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.52 : 4,667.36 = 1,060.96 : x
  2. Step 2: Convert to fraction form
    3,111.52/4,667.36 = 1,060.96/x
  3. Step 3: Cross multiply
    3,111.52x = 4,667.36 × 1,060.96
  4. Step 4: Simplify right side
    3,111.52x = 4,951,882.27
  5. Step 5: Solve for x
    x = 4,951,882.27/3,111.52
  6. Step 6: Final answer
    x = 1,591.47

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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.