Home / 3,288.72-4,933.02-1,340.46

Finding the Fourth Proportional to 3,288.72, 4,933.02 and 1,340.46

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Solution

The fourth proportional to 3,288.72, 4,933.02 and 1,340.46 is: 2,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.72 : 4,933.02 = 1,340.46 : x
  2. Step 2: Convert to fraction form
    3,288.72/4,933.02 = 1,340.46/x
  3. Step 3: Cross multiply
    3,288.72x = 4,933.02 × 1,340.46
  4. Step 4: Simplify right side
    3,288.72x = 6,612,515.99
  5. Step 5: Solve for x
    x = 6,612,515.99/3,288.72
  6. Step 6: Final answer
    x = 2,010.67

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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.