Home / 2,212.32-3,316.80-1,237.44

Finding the Fourth Proportional to 2,212.32, 3,316.80 and 1,237.44

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Solution

The fourth proportional to 2,212.32, 3,316.80 and 1,237.44 is: 1,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.32 : 3,316.80 = 1,237.44 : x
  2. Step 2: Convert to fraction form
    2,212.32/3,316.80 = 1,237.44/x
  3. Step 3: Cross multiply
    2,212.32x = 3,316.80 × 1,237.44
  4. Step 4: Simplify right side
    2,212.32x = 4,104,340.99
  5. Step 5: Solve for x
    x = 4,104,340.99/2,212.32
  6. Step 6: Final answer
    x = 1,855.22

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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.