Home / 2,247.48-3,391.50-2,166.12

Finding the Fourth Proportional to 2,247.48, 3,391.50 and 2,166.12

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Solution

The fourth proportional to 2,247.48, 3,391.50 and 2,166.12 is: 3,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.48 : 3,391.50 = 2,166.12 : x
  2. Step 2: Convert to fraction form
    2,247.48/3,391.50 = 2,166.12/x
  3. Step 3: Cross multiply
    2,247.48x = 3,391.50 × 2,166.12
  4. Step 4: Simplify right side
    2,247.48x = 7,346,395.98
  5. Step 5: Solve for x
    x = 7,346,395.98/2,247.48
  6. Step 6: Final answer
    x = 3,268.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.