Home / 3,785.06-5,222.16-2,212.04

Finding the Fourth Proportional to 3,785.06, 5,222.16 and 2,212.04

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Solution

The fourth proportional to 3,785.06, 5,222.16 and 2,212.04 is: 3,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.06 : 5,222.16 = 2,212.04 : x
  2. Step 2: Convert to fraction form
    3,785.06/5,222.16 = 2,212.04/x
  3. Step 3: Cross multiply
    3,785.06x = 5,222.16 × 2,212.04
  4. Step 4: Simplify right side
    3,785.06x = 11,551,626.81
  5. Step 5: Solve for x
    x = 11,551,626.81/3,785.06
  6. Step 6: Final answer
    x = 3,051.90

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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.