Home / 2,247.23-3,372.36-786.39

Finding the Fourth Proportional to 2,247.23, 3,372.36 and 786.39

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Solution

The fourth proportional to 2,247.23, 3,372.36 and 786.39 is: 1,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.23 : 3,372.36 = 786.39 : x
  2. Step 2: Convert to fraction form
    2,247.23/3,372.36 = 786.39/x
  3. Step 3: Cross multiply
    2,247.23x = 3,372.36 × 786.39
  4. Step 4: Simplify right side
    2,247.23x = 2,651,998.61
  5. Step 5: Solve for x
    x = 2,651,998.61/2,247.23
  6. Step 6: Final answer
    x = 1,180.12

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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.