Home / 2,231.36-3,340.05-1,491.56

Finding the Fourth Proportional to 2,231.36, 3,340.05 and 1,491.56

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Solution

The fourth proportional to 2,231.36, 3,340.05 and 1,491.56 is: 2,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.36 : 3,340.05 = 1,491.56 : x
  2. Step 2: Convert to fraction form
    2,231.36/3,340.05 = 1,491.56/x
  3. Step 3: Cross multiply
    2,231.36x = 3,340.05 × 1,491.56
  4. Step 4: Simplify right side
    2,231.36x = 4,981,868.28
  5. Step 5: Solve for x
    x = 4,981,868.28/2,231.36
  6. Step 6: Final answer
    x = 2,232.67

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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.