Home / 2,548.26-3,818.75-1,680.75

Finding the Fourth Proportional to 2,548.26, 3,818.75 and 1,680.75

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Solution

The fourth proportional to 2,548.26, 3,818.75 and 1,680.75 is: 2,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.26 : 3,818.75 = 1,680.75 : x
  2. Step 2: Convert to fraction form
    2,548.26/3,818.75 = 1,680.75/x
  3. Step 3: Cross multiply
    2,548.26x = 3,818.75 × 1,680.75
  4. Step 4: Simplify right side
    2,548.26x = 6,418,355.66
  5. Step 5: Solve for x
    x = 6,418,355.66/2,548.26
  6. Step 6: Final answer
    x = 2,518.72

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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.