Home / 2,609.26-3,912.06-1,310.02

Finding the Fourth Proportional to 2,609.26, 3,912.06 and 1,310.02

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Solution

The fourth proportional to 2,609.26, 3,912.06 and 1,310.02 is: 1,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.26 : 3,912.06 = 1,310.02 : x
  2. Step 2: Convert to fraction form
    2,609.26/3,912.06 = 1,310.02/x
  3. Step 3: Cross multiply
    2,609.26x = 3,912.06 × 1,310.02
  4. Step 4: Simplify right side
    2,609.26x = 5,124,876.84
  5. Step 5: Solve for x
    x = 5,124,876.84/2,609.26
  6. Step 6: Final answer
    x = 1,964.11

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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.