Home / 3,420.14-4,721.83-2,243.27

Finding the Fourth Proportional to 3,420.14, 4,721.83 and 2,243.27

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Solution

The fourth proportional to 3,420.14, 4,721.83 and 2,243.27 is: 3,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.14 : 4,721.83 = 2,243.27 : x
  2. Step 2: Convert to fraction form
    3,420.14/4,721.83 = 2,243.27/x
  3. Step 3: Cross multiply
    3,420.14x = 4,721.83 × 2,243.27
  4. Step 4: Simplify right side
    3,420.14x = 10,592,315.97
  5. Step 5: Solve for x
    x = 10,592,315.97/3,420.14
  6. Step 6: Final answer
    x = 3,097.04

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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.