Home / 2,555.88-3,833.75-1,054.56

Finding the Fourth Proportional to 2,555.88, 3,833.75 and 1,054.56

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Solution

The fourth proportional to 2,555.88, 3,833.75 and 1,054.56 is: 1,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.88 : 3,833.75 = 1,054.56 : x
  2. Step 2: Convert to fraction form
    2,555.88/3,833.75 = 1,054.56/x
  3. Step 3: Cross multiply
    2,555.88x = 3,833.75 × 1,054.56
  4. Step 4: Simplify right side
    2,555.88x = 4,042,919.40
  5. Step 5: Solve for x
    x = 4,042,919.40/2,555.88
  6. Step 6: Final answer
    x = 1,581.81

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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.