Home / 3,161.16-4,739.31-1,516.79

Finding the Fourth Proportional to 3,161.16, 4,739.31 and 1,516.79

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Solution

The fourth proportional to 3,161.16, 4,739.31 and 1,516.79 is: 2,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.16 : 4,739.31 = 1,516.79 : x
  2. Step 2: Convert to fraction form
    3,161.16/4,739.31 = 1,516.79/x
  3. Step 3: Cross multiply
    3,161.16x = 4,739.31 × 1,516.79
  4. Step 4: Simplify right side
    3,161.16x = 7,188,549.86
  5. Step 5: Solve for x
    x = 7,188,549.86/3,161.16
  6. Step 6: Final answer
    x = 2,274.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.