Home / 2,780.67-4,169.88-1,025.26

Finding the Fourth Proportional to 2,780.67, 4,169.88 and 1,025.26

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Solution

The fourth proportional to 2,780.67, 4,169.88 and 1,025.26 is: 1,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.67 : 4,169.88 = 1,025.26 : x
  2. Step 2: Convert to fraction form
    2,780.67/4,169.88 = 1,025.26/x
  3. Step 3: Cross multiply
    2,780.67x = 4,169.88 × 1,025.26
  4. Step 4: Simplify right side
    2,780.67x = 4,275,211.17
  5. Step 5: Solve for x
    x = 4,275,211.17/2,780.67
  6. Step 6: Final answer
    x = 1,537.48

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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.