Home / 2,867.21-4,301.04-1,223.78

Finding the Fourth Proportional to 2,867.21, 4,301.04 and 1,223.78

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Solution

The fourth proportional to 2,867.21, 4,301.04 and 1,223.78 is: 1,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.21 : 4,301.04 = 1,223.78 : x
  2. Step 2: Convert to fraction form
    2,867.21/4,301.04 = 1,223.78/x
  3. Step 3: Cross multiply
    2,867.21x = 4,301.04 × 1,223.78
  4. Step 4: Simplify right side
    2,867.21x = 5,263,505.23
  5. Step 5: Solve for x
    x = 5,263,505.23/2,867.21
  6. Step 6: Final answer
    x = 1,835.76

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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.