Home / 3,809.98-5,251.48-2,550.58

Finding the Fourth Proportional to 3,809.98, 5,251.48 and 2,550.58

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Solution

The fourth proportional to 3,809.98, 5,251.48 and 2,550.58 is: 3,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.98 : 5,251.48 = 2,550.58 : x
  2. Step 2: Convert to fraction form
    3,809.98/5,251.48 = 2,550.58/x
  3. Step 3: Cross multiply
    3,809.98x = 5,251.48 × 2,550.58
  4. Step 4: Simplify right side
    3,809.98x = 13,394,319.86
  5. Step 5: Solve for x
    x = 13,394,319.86/3,809.98
  6. Step 6: Final answer
    x = 3,515.59

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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.