Home / 3,716.63-5,128.95-2,224.61

Finding the Fourth Proportional to 3,716.63, 5,128.95 and 2,224.61

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Solution

The fourth proportional to 3,716.63, 5,128.95 and 2,224.61 is: 3,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.63 : 5,128.95 = 2,224.61 : x
  2. Step 2: Convert to fraction form
    3,716.63/5,128.95 = 2,224.61/x
  3. Step 3: Cross multiply
    3,716.63x = 5,128.95 × 2,224.61
  4. Step 4: Simplify right side
    3,716.63x = 11,409,887.81
  5. Step 5: Solve for x
    x = 11,409,887.81/3,716.63
  6. Step 6: Final answer
    x = 3,069.96

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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.