Home / 2,247.30-3,370.92-786.44

Finding the Fourth Proportional to 2,247.30, 3,370.92 and 786.44

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Solution

The fourth proportional to 2,247.30, 3,370.92 and 786.44 is: 1,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.30 : 3,370.92 = 786.44 : x
  2. Step 2: Convert to fraction form
    2,247.30/3,370.92 = 786.44/x
  3. Step 3: Cross multiply
    2,247.30x = 3,370.92 × 786.44
  4. Step 4: Simplify right side
    2,247.30x = 2,651,026.32
  5. Step 5: Solve for x
    x = 2,651,026.32/2,247.30
  6. Step 6: Final answer
    x = 1,179.65

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1.5x scale

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.