Home / 3,809.40-5,250.70-2,550.02

Finding the Fourth Proportional to 3,809.40, 5,250.70 and 2,550.02

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Solution

The fourth proportional to 3,809.40, 5,250.70 and 2,550.02 is: 3,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.40 : 5,250.70 = 2,550.02 : x
  2. Step 2: Convert to fraction form
    3,809.40/5,250.70 = 2,550.02/x
  3. Step 3: Cross multiply
    3,809.40x = 5,250.70 × 2,550.02
  4. Step 4: Simplify right side
    3,809.40x = 13,389,390.01
  5. Step 5: Solve for x
    x = 13,389,390.01/3,809.40
  6. Step 6: Final answer
    x = 3,514.83

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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.