Home / 3,809.39-5,257.13-2,317.05

Finding the Fourth Proportional to 3,809.39, 5,257.13 and 2,317.05

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Solution

The fourth proportional to 3,809.39, 5,257.13 and 2,317.05 is: 3,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.39 : 5,257.13 = 2,317.05 : x
  2. Step 2: Convert to fraction form
    3,809.39/5,257.13 = 2,317.05/x
  3. Step 3: Cross multiply
    3,809.39x = 5,257.13 × 2,317.05
  4. Step 4: Simplify right side
    3,809.39x = 12,181,021.48
  5. Step 5: Solve for x
    x = 12,181,021.48/3,809.39
  6. Step 6: Final answer
    x = 3,197.63

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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.