Home / 3,716.22-5,128.20-2,224.92

Finding the Fourth Proportional to 3,716.22, 5,128.20 and 2,224.92

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Solution

The fourth proportional to 3,716.22, 5,128.20 and 2,224.92 is: 3,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.22 : 5,128.20 = 2,224.92 : x
  2. Step 2: Convert to fraction form
    3,716.22/5,128.20 = 2,224.92/x
  3. Step 3: Cross multiply
    3,716.22x = 5,128.20 × 2,224.92
  4. Step 4: Simplify right side
    3,716.22x = 11,409,834.74
  5. Step 5: Solve for x
    x = 11,409,834.74/3,716.22
  6. Step 6: Final answer
    x = 3,070.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.