Home / 2,960.81-4,438.13-1,205.06

Finding the Fourth Proportional to 2,960.81, 4,438.13 and 1,205.06

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Solution

The fourth proportional to 2,960.81, 4,438.13 and 1,205.06 is: 1,806.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.81 : 4,438.13 = 1,205.06 : x
  2. Step 2: Convert to fraction form
    2,960.81/4,438.13 = 1,205.06/x
  3. Step 3: Cross multiply
    2,960.81x = 4,438.13 × 1,205.06
  4. Step 4: Simplify right side
    2,960.81x = 5,348,212.94
  5. Step 5: Solve for x
    x = 5,348,212.94/2,960.81
  6. Step 6: Final answer
    x = 1,806.33

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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.