Home / 2,213.50-3,055.18-1,282.54

Finding the Fourth Proportional to 2,213.50, 3,055.18 and 1,282.54

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Solution

The fourth proportional to 2,213.50, 3,055.18 and 1,282.54 is: 1,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.50 : 3,055.18 = 1,282.54 : x
  2. Step 2: Convert to fraction form
    2,213.50/3,055.18 = 1,282.54/x
  3. Step 3: Cross multiply
    2,213.50x = 3,055.18 × 1,282.54
  4. Step 4: Simplify right side
    2,213.50x = 3,918,390.56
  5. Step 5: Solve for x
    x = 3,918,390.56/2,213.50
  6. Step 6: Final answer
    x = 1,770.22

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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.