Home / 3,805.22-5,251.80-2,313.60

Finding the Fourth Proportional to 3,805.22, 5,251.80 and 2,313.60

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Solution

The fourth proportional to 3,805.22, 5,251.80 and 2,313.60 is: 3,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.22 : 5,251.80 = 2,313.60 : x
  2. Step 2: Convert to fraction form
    3,805.22/5,251.80 = 2,313.60/x
  3. Step 3: Cross multiply
    3,805.22x = 5,251.80 × 2,313.60
  4. Step 4: Simplify right side
    3,805.22x = 12,150,564.48
  5. Step 5: Solve for x
    x = 12,150,564.48/3,805.22
  6. Step 6: Final answer
    x = 3,193.13

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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.