Home / 3,186.46-4,400.22-2,399.14

Finding the Fourth Proportional to 3,186.46, 4,400.22 and 2,399.14

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Solution

The fourth proportional to 3,186.46, 4,400.22 and 2,399.14 is: 3,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.46 : 4,400.22 = 2,399.14 : x
  2. Step 2: Convert to fraction form
    3,186.46/4,400.22 = 2,399.14/x
  3. Step 3: Cross multiply
    3,186.46x = 4,400.22 × 2,399.14
  4. Step 4: Simplify right side
    3,186.46x = 10,556,743.81
  5. Step 5: Solve for x
    x = 10,556,743.81/3,186.46
  6. Step 6: Final answer
    x = 3,313.00

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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.