Home / 3,366.28-4,644.36-2,039.48

Finding the Fourth Proportional to 3,366.28, 4,644.36 and 2,039.48

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Solution

The fourth proportional to 3,366.28, 4,644.36 and 2,039.48 is: 2,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.28 : 4,644.36 = 2,039.48 : x
  2. Step 2: Convert to fraction form
    3,366.28/4,644.36 = 2,039.48/x
  3. Step 3: Cross multiply
    3,366.28x = 4,644.36 × 2,039.48
  4. Step 4: Simplify right side
    3,366.28x = 9,472,079.33
  5. Step 5: Solve for x
    x = 9,472,079.33/3,366.28
  6. Step 6: Final answer
    x = 2,813.81

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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.