Home / 2,912.68-4,371.18-1,453.06

Finding the Fourth Proportional to 2,912.68, 4,371.18 and 1,453.06

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Solution

The fourth proportional to 2,912.68, 4,371.18 and 1,453.06 is: 2,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.68 : 4,371.18 = 1,453.06 : x
  2. Step 2: Convert to fraction form
    2,912.68/4,371.18 = 1,453.06/x
  3. Step 3: Cross multiply
    2,912.68x = 4,371.18 × 1,453.06
  4. Step 4: Simplify right side
    2,912.68x = 6,351,586.81
  5. Step 5: Solve for x
    x = 6,351,586.81/2,912.68
  6. Step 6: Final answer
    x = 2,180.67

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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.