Home / 2,255.72-3,381.24-1,267.08

Finding the Fourth Proportional to 2,255.72, 3,381.24 and 1,267.08

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Solution

The fourth proportional to 2,255.72, 3,381.24 and 1,267.08 is: 1,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.72 : 3,381.24 = 1,267.08 : x
  2. Step 2: Convert to fraction form
    2,255.72/3,381.24 = 1,267.08/x
  3. Step 3: Cross multiply
    2,255.72x = 3,381.24 × 1,267.08
  4. Step 4: Simplify right side
    2,255.72x = 4,284,293.65
  5. Step 5: Solve for x
    x = 4,284,293.65/2,255.72
  6. Step 6: Final answer
    x = 1,899.31

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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.