Home / 3,717.22-5,129.64-2,225.96

Finding the Fourth Proportional to 3,717.22, 5,129.64 and 2,225.96

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Solution

The fourth proportional to 3,717.22, 5,129.64 and 2,225.96 is: 3,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.22 : 5,129.64 = 2,225.96 : x
  2. Step 2: Convert to fraction form
    3,717.22/5,129.64 = 2,225.96/x
  3. Step 3: Cross multiply
    3,717.22x = 5,129.64 × 2,225.96
  4. Step 4: Simplify right side
    3,717.22x = 11,418,373.45
  5. Step 5: Solve for x
    x = 11,418,373.45/3,717.22
  6. Step 6: Final answer
    x = 3,071.75

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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.