Home / 1,939.86-2,904.30-1,743.03

Finding the Fourth Proportional to 1,939.86, 2,904.30 and 1,743.03

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Solution

The fourth proportional to 1,939.86, 2,904.30 and 1,743.03 is: 2,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.86 : 2,904.30 = 1,743.03 : x
  2. Step 2: Convert to fraction form
    1,939.86/2,904.30 = 1,743.03/x
  3. Step 3: Cross multiply
    1,939.86x = 2,904.30 × 1,743.03
  4. Step 4: Simplify right side
    1,939.86x = 5,062,282.03
  5. Step 5: Solve for x
    x = 5,062,282.03/1,939.86
  6. Step 6: Final answer
    x = 2,609.61

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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.