Home / 3,091.93-4,638.30-1,631.14

Finding the Fourth Proportional to 3,091.93, 4,638.30 and 1,631.14

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Solution

The fourth proportional to 3,091.93, 4,638.30 and 1,631.14 is: 2,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.93 : 4,638.30 = 1,631.14 : x
  2. Step 2: Convert to fraction form
    3,091.93/4,638.30 = 1,631.14/x
  3. Step 3: Cross multiply
    3,091.93x = 4,638.30 × 1,631.14
  4. Step 4: Simplify right side
    3,091.93x = 7,565,716.66
  5. Step 5: Solve for x
    x = 7,565,716.66/3,091.93
  6. Step 6: Final answer
    x = 2,446.92

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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.