Home / 2,104.87-3,157.08-934.90

Finding the Fourth Proportional to 2,104.87, 3,157.08 and 934.90

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Solution

The fourth proportional to 2,104.87, 3,157.08 and 934.90 is: 1,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.87 : 3,157.08 = 934.90 : x
  2. Step 2: Convert to fraction form
    2,104.87/3,157.08 = 934.90/x
  3. Step 3: Cross multiply
    2,104.87x = 3,157.08 × 934.90
  4. Step 4: Simplify right side
    2,104.87x = 2,951,554.09
  5. Step 5: Solve for x
    x = 2,951,554.09/2,104.87
  6. Step 6: Final answer
    x = 1,402.25

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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.