Home / 2,551.88-3,828.72-1,254.26

Finding the Fourth Proportional to 2,551.88, 3,828.72 and 1,254.26

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Solution

The fourth proportional to 2,551.88, 3,828.72 and 1,254.26 is: 1,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.88 : 3,828.72 = 1,254.26 : x
  2. Step 2: Convert to fraction form
    2,551.88/3,828.72 = 1,254.26/x
  3. Step 3: Cross multiply
    2,551.88x = 3,828.72 × 1,254.26
  4. Step 4: Simplify right side
    2,551.88x = 4,802,195.91
  5. Step 5: Solve for x
    x = 4,802,195.91/2,551.88
  6. Step 6: Final answer
    x = 1,881.83

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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.