Home / 2,869.50-4,299.66-1,222.26

Finding the Fourth Proportional to 2,869.50, 4,299.66 and 1,222.26

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Solution

The fourth proportional to 2,869.50, 4,299.66 and 1,222.26 is: 1,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.50 : 4,299.66 = 1,222.26 : x
  2. Step 2: Convert to fraction form
    2,869.50/4,299.66 = 1,222.26/x
  3. Step 3: Cross multiply
    2,869.50x = 4,299.66 × 1,222.26
  4. Step 4: Simplify right side
    2,869.50x = 5,255,302.43
  5. Step 5: Solve for x
    x = 5,255,302.43/2,869.50
  6. Step 6: Final answer
    x = 1,831.43

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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.