Home / 2,104.19-3,157.34-934.96

Finding the Fourth Proportional to 2,104.19, 3,157.34 and 934.96

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Solution

The fourth proportional to 2,104.19, 3,157.34 and 934.96 is: 1,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.19 : 3,157.34 = 934.96 : x
  2. Step 2: Convert to fraction form
    2,104.19/3,157.34 = 934.96/x
  3. Step 3: Cross multiply
    2,104.19x = 3,157.34 × 934.96
  4. Step 4: Simplify right side
    2,104.19x = 2,951,974.04
  5. Step 5: Solve for x
    x = 2,951,974.04/2,104.19
  6. Step 6: Final answer
    x = 1,402.90

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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.