Home / 2,939.93-4,057.09-1,613.61

Finding the Fourth Proportional to 2,939.93, 4,057.09 and 1,613.61

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Solution

The fourth proportional to 2,939.93, 4,057.09 and 1,613.61 is: 2,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.93 : 4,057.09 = 1,613.61 : x
  2. Step 2: Convert to fraction form
    2,939.93/4,057.09 = 1,613.61/x
  3. Step 3: Cross multiply
    2,939.93x = 4,057.09 × 1,613.61
  4. Step 4: Simplify right side
    2,939.93x = 6,546,566.04
  5. Step 5: Solve for x
    x = 6,546,566.04/2,939.93
  6. Step 6: Final answer
    x = 2,226.77

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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.