Home / 3,133.54-4,700.35-1,489.75

Finding the Fourth Proportional to 3,133.54, 4,700.35 and 1,489.75

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Solution

The fourth proportional to 3,133.54, 4,700.35 and 1,489.75 is: 2,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.54 : 4,700.35 = 1,489.75 : x
  2. Step 2: Convert to fraction form
    3,133.54/4,700.35 = 1,489.75/x
  3. Step 3: Cross multiply
    3,133.54x = 4,700.35 × 1,489.75
  4. Step 4: Simplify right side
    3,133.54x = 7,002,353.93
  5. Step 5: Solve for x
    x = 7,002,353.93/3,133.54
  6. Step 6: Final answer
    x = 2,234.65

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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.