Home / 3,531.90-4,874.31-1,960.50

Finding the Fourth Proportional to 3,531.90, 4,874.31 and 1,960.50

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Solution

The fourth proportional to 3,531.90, 4,874.31 and 1,960.50 is: 2,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.90 : 4,874.31 = 1,960.50 : x
  2. Step 2: Convert to fraction form
    3,531.90/4,874.31 = 1,960.50/x
  3. Step 3: Cross multiply
    3,531.90x = 4,874.31 × 1,960.50
  4. Step 4: Simplify right side
    3,531.90x = 9,556,084.76
  5. Step 5: Solve for x
    x = 9,556,084.76/3,531.90
  6. Step 6: Final answer
    x = 2,705.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.