Home / 2,134.40-3,201.33-673.70

Finding the Fourth Proportional to 2,134.40, 3,201.33 and 673.70

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Solution

The fourth proportional to 2,134.40, 3,201.33 and 673.70 is: 1,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.40 : 3,201.33 = 673.70 : x
  2. Step 2: Convert to fraction form
    2,134.40/3,201.33 = 673.70/x
  3. Step 3: Cross multiply
    2,134.40x = 3,201.33 × 673.70
  4. Step 4: Simplify right side
    2,134.40x = 2,156,736.02
  5. Step 5: Solve for x
    x = 2,156,736.02/2,134.40
  6. Step 6: Final answer
    x = 1,010.46

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1.5x scale

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.