Home / 3,091.06-4,631.13-1,631.23

Finding the Fourth Proportional to 3,091.06, 4,631.13 and 1,631.23

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Solution

The fourth proportional to 3,091.06, 4,631.13 and 1,631.23 is: 2,443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.06 : 4,631.13 = 1,631.23 : x
  2. Step 2: Convert to fraction form
    3,091.06/4,631.13 = 1,631.23/x
  3. Step 3: Cross multiply
    3,091.06x = 4,631.13 × 1,631.23
  4. Step 4: Simplify right side
    3,091.06x = 7,554,438.19
  5. Step 5: Solve for x
    x = 7,554,438.19/3,091.06
  6. Step 6: Final answer
    x = 2,443.96

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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.