Home / 2,247.37-3,371.06-786.52

Finding the Fourth Proportional to 2,247.37, 3,371.06 and 786.52

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Solution

The fourth proportional to 2,247.37, 3,371.06 and 786.52 is: 1,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.37 : 3,371.06 = 786.52 : x
  2. Step 2: Convert to fraction form
    2,247.37/3,371.06 = 786.52/x
  3. Step 3: Cross multiply
    2,247.37x = 3,371.06 × 786.52
  4. Step 4: Simplify right side
    2,247.37x = 2,651,406.11
  5. Step 5: Solve for x
    x = 2,651,406.11/2,247.37
  6. Step 6: Final answer
    x = 1,179.78

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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.