Home / 3,420.36-4,722.14-2,243.48

Finding the Fourth Proportional to 3,420.36, 4,722.14 and 2,243.48

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Solution

The fourth proportional to 3,420.36, 4,722.14 and 2,243.48 is: 3,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.36 : 4,722.14 = 2,243.48 : x
  2. Step 2: Convert to fraction form
    3,420.36/4,722.14 = 2,243.48/x
  3. Step 3: Cross multiply
    3,420.36x = 4,722.14 × 2,243.48
  4. Step 4: Simplify right side
    3,420.36x = 10,593,991.82
  5. Step 5: Solve for x
    x = 10,593,991.82/3,420.36
  6. Step 6: Final answer
    x = 3,097.33

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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.