Home / 2,905.35-4,351.14-2,211.18

Finding the Fourth Proportional to 2,905.35, 4,351.14 and 2,211.18

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Solution

The fourth proportional to 2,905.35, 4,351.14 and 2,211.18 is: 3,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.35 : 4,351.14 = 2,211.18 : x
  2. Step 2: Convert to fraction form
    2,905.35/4,351.14 = 2,211.18/x
  3. Step 3: Cross multiply
    2,905.35x = 4,351.14 × 2,211.18
  4. Step 4: Simplify right side
    2,905.35x = 9,621,153.75
  5. Step 5: Solve for x
    x = 9,621,153.75/2,905.35
  6. Step 6: Final answer
    x = 3,311.53

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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.