Home / 2,212.08-3,316.06-750.22

Finding the Fourth Proportional to 2,212.08, 3,316.06 and 750.22

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Solution

The fourth proportional to 2,212.08, 3,316.06 and 750.22 is: 1,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.08 : 3,316.06 = 750.22 : x
  2. Step 2: Convert to fraction form
    2,212.08/3,316.06 = 750.22/x
  3. Step 3: Cross multiply
    2,212.08x = 3,316.06 × 750.22
  4. Step 4: Simplify right side
    2,212.08x = 2,487,774.53
  5. Step 5: Solve for x
    x = 2,487,774.53/2,212.08
  6. Step 6: Final answer
    x = 1,124.63

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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.