Home / 2,261.25-3,394.31-1,029.65

Finding the Fourth Proportional to 2,261.25, 3,394.31 and 1,029.65

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Solution

The fourth proportional to 2,261.25, 3,394.31 and 1,029.65 is: 1,545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.25 : 3,394.31 = 1,029.65 : x
  2. Step 2: Convert to fraction form
    2,261.25/3,394.31 = 1,029.65/x
  3. Step 3: Cross multiply
    2,261.25x = 3,394.31 × 1,029.65
  4. Step 4: Simplify right side
    2,261.25x = 3,494,929.17
  5. Step 5: Solve for x
    x = 3,494,929.17/2,261.25
  6. Step 6: Final answer
    x = 1,545.57

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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.