Home / 2,939.02-4,054.44-1,759.86

Finding the Fourth Proportional to 2,939.02, 4,054.44 and 1,759.86

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Solution

The fourth proportional to 2,939.02, 4,054.44 and 1,759.86 is: 2,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.02 : 4,054.44 = 1,759.86 : x
  2. Step 2: Convert to fraction form
    2,939.02/4,054.44 = 1,759.86/x
  3. Step 3: Cross multiply
    2,939.02x = 4,054.44 × 1,759.86
  4. Step 4: Simplify right side
    2,939.02x = 7,135,246.78
  5. Step 5: Solve for x
    x = 7,135,246.78/2,939.02
  6. Step 6: Final answer
    x = 2,427.76

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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.