Home / 3,339.45-5,003.69-2,103.80

Finding the Fourth Proportional to 3,339.45, 5,003.69 and 2,103.80

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Solution

The fourth proportional to 3,339.45, 5,003.69 and 2,103.80 is: 3,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.45 : 5,003.69 = 2,103.80 : x
  2. Step 2: Convert to fraction form
    3,339.45/5,003.69 = 2,103.80/x
  3. Step 3: Cross multiply
    3,339.45x = 5,003.69 × 2,103.80
  4. Step 4: Simplify right side
    3,339.45x = 10,526,727.48
  5. Step 5: Solve for x
    x = 10,526,727.48/3,339.45
  6. Step 6: Final answer
    x = 3,152.23

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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.