Home / 2,160.45-3,241.31-844.61

Finding the Fourth Proportional to 2,160.45, 3,241.31 and 844.61

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Solution

The fourth proportional to 2,160.45, 3,241.31 and 844.61 is: 1,267.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.45 : 3,241.31 = 844.61 : x
  2. Step 2: Convert to fraction form
    2,160.45/3,241.31 = 844.61/x
  3. Step 3: Cross multiply
    2,160.45x = 3,241.31 × 844.61
  4. Step 4: Simplify right side
    2,160.45x = 2,737,622.41
  5. Step 5: Solve for x
    x = 2,737,622.41/2,160.45
  6. Step 6: Final answer
    x = 1,267.15

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1.5x scale

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.