Home / 3,243.70-4,866.23-1,395.28

Finding the Fourth Proportional to 3,243.70, 4,866.23 and 1,395.28

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Solution

The fourth proportional to 3,243.70, 4,866.23 and 1,395.28 is: 2,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.70 : 4,866.23 = 1,395.28 : x
  2. Step 2: Convert to fraction form
    3,243.70/4,866.23 = 1,395.28/x
  3. Step 3: Cross multiply
    3,243.70x = 4,866.23 × 1,395.28
  4. Step 4: Simplify right side
    3,243.70x = 6,789,753.39
  5. Step 5: Solve for x
    x = 6,789,753.39/3,243.70
  6. Step 6: Final answer
    x = 2,093.21

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1.5x scale

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.