Home / 3,382.42-5,070.95-2,219.67

Finding the Fourth Proportional to 3,382.42, 5,070.95 and 2,219.67

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Solution

The fourth proportional to 3,382.42, 5,070.95 and 2,219.67 is: 3,327.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.42 : 5,070.95 = 2,219.67 : x
  2. Step 2: Convert to fraction form
    3,382.42/5,070.95 = 2,219.67/x
  3. Step 3: Cross multiply
    3,382.42x = 5,070.95 × 2,219.67
  4. Step 4: Simplify right side
    3,382.42x = 11,255,835.59
  5. Step 5: Solve for x
    x = 11,255,835.59/3,382.42
  6. Step 6: Final answer
    x = 3,327.75

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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.