Home / 2,237.28-3,357.36-1,212

Finding the Fourth Proportional to 2,237.28, 3,357.36 and 1,212

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Solution

The fourth proportional to 2,237.28, 3,357.36 and 1,212 is: 1,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.28 : 3,357.36 = 1,212 : x
  2. Step 2: Convert to fraction form
    2,237.28/3,357.36 = 1,212/x
  3. Step 3: Cross multiply
    2,237.28x = 3,357.36 × 1,212
  4. Step 4: Simplify right side
    2,237.28x = 4,069,120.32
  5. Step 5: Solve for x
    x = 4,069,120.32/2,237.28
  6. Step 6: Final answer
    x = 1,818.78

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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.