Home / 2,072.06-3,108.75-611.22

Finding the Fourth Proportional to 2,072.06, 3,108.75 and 611.22

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Solution

The fourth proportional to 2,072.06, 3,108.75 and 611.22 is: 917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.06 : 3,108.75 = 611.22 : x
  2. Step 2: Convert to fraction form
    2,072.06/3,108.75 = 611.22/x
  3. Step 3: Cross multiply
    2,072.06x = 3,108.75 × 611.22
  4. Step 4: Simplify right side
    2,072.06x = 1,900,130.18
  5. Step 5: Solve for x
    x = 1,900,130.18/2,072.06
  6. Step 6: Final answer
    x = 917.02

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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.