Home / 3,816.70-5,265.19-2,402.12

Finding the Fourth Proportional to 3,816.70, 5,265.19 and 2,402.12

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Solution

The fourth proportional to 3,816.70, 5,265.19 and 2,402.12 is: 3,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.70 : 5,265.19 = 2,402.12 : x
  2. Step 2: Convert to fraction form
    3,816.70/5,265.19 = 2,402.12/x
  3. Step 3: Cross multiply
    3,816.70x = 5,265.19 × 2,402.12
  4. Step 4: Simplify right side
    3,816.70x = 12,647,618.20
  5. Step 5: Solve for x
    x = 12,647,618.20/3,816.70
  6. Step 6: Final answer
    x = 3,313.76

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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.