Home / 3,808.50-5,256.60-2,237.10

Finding the Fourth Proportional to 3,808.50, 5,256.60 and 2,237.10

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Solution

The fourth proportional to 3,808.50, 5,256.60 and 2,237.10 is: 3,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.50 : 5,256.60 = 2,237.10 : x
  2. Step 2: Convert to fraction form
    3,808.50/5,256.60 = 2,237.10/x
  3. Step 3: Cross multiply
    3,808.50x = 5,256.60 × 2,237.10
  4. Step 4: Simplify right side
    3,808.50x = 11,759,539.86
  5. Step 5: Solve for x
    x = 11,759,539.86/3,808.50
  6. Step 6: Final answer
    x = 3,087.71

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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.