Home / 3,187.62-4,395.56-2,243.09

Finding the Fourth Proportional to 3,187.62, 4,395.56 and 2,243.09

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Solution

The fourth proportional to 3,187.62, 4,395.56 and 2,243.09 is: 3,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.62 : 4,395.56 = 2,243.09 : x
  2. Step 2: Convert to fraction form
    3,187.62/4,395.56 = 2,243.09/x
  3. Step 3: Cross multiply
    3,187.62x = 4,395.56 × 2,243.09
  4. Step 4: Simplify right side
    3,187.62x = 9,859,636.45
  5. Step 5: Solve for x
    x = 9,859,636.45/3,187.62
  6. Step 6: Final answer
    x = 3,093.10

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1.5x scale

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.