Home / 2,247.39-3,370.95-930.80

Finding the Fourth Proportional to 2,247.39, 3,370.95 and 930.80

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Solution

The fourth proportional to 2,247.39, 3,370.95 and 930.80 is: 1,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.39 : 3,370.95 = 930.80 : x
  2. Step 2: Convert to fraction form
    2,247.39/3,370.95 = 930.80/x
  3. Step 3: Cross multiply
    2,247.39x = 3,370.95 × 930.80
  4. Step 4: Simplify right side
    2,247.39x = 3,137,688.69
  5. Step 5: Solve for x
    x = 3,137,688.69/2,247.39
  6. Step 6: Final answer
    x = 1,396.15

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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.