Home / 3,764.00-5,640.62-2,117.09

Finding the Fourth Proportional to 3,764.00, 5,640.62 and 2,117.09

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Solution

The fourth proportional to 3,764.00, 5,640.62 and 2,117.09 is: 3,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.00 : 5,640.62 = 2,117.09 : x
  2. Step 2: Convert to fraction form
    3,764.00/5,640.62 = 2,117.09/x
  3. Step 3: Cross multiply
    3,764.00x = 5,640.62 × 2,117.09
  4. Step 4: Simplify right side
    3,764.00x = 11,941,661.41
  5. Step 5: Solve for x
    x = 11,941,661.41/3,764.00
  6. Step 6: Final answer
    x = 3,172.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.