Home / 3,782.59-5,220.03-2,104.18

Finding the Fourth Proportional to 3,782.59, 5,220.03 and 2,104.18

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Solution

The fourth proportional to 3,782.59, 5,220.03 and 2,104.18 is: 2,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.59 : 5,220.03 = 2,104.18 : x
  2. Step 2: Convert to fraction form
    3,782.59/5,220.03 = 2,104.18/x
  3. Step 3: Cross multiply
    3,782.59x = 5,220.03 × 2,104.18
  4. Step 4: Simplify right side
    3,782.59x = 10,983,882.73
  5. Step 5: Solve for x
    x = 10,983,882.73/3,782.59
  6. Step 6: Final answer
    x = 2,903.80

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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.