Home / 2,739.02-4,109.88-1,277.96

Finding the Fourth Proportional to 2,739.02, 4,109.88 and 1,277.96

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Solution

The fourth proportional to 2,739.02, 4,109.88 and 1,277.96 is: 1,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.02 : 4,109.88 = 1,277.96 : x
  2. Step 2: Convert to fraction form
    2,739.02/4,109.88 = 1,277.96/x
  3. Step 3: Cross multiply
    2,739.02x = 4,109.88 × 1,277.96
  4. Step 4: Simplify right side
    2,739.02x = 5,252,262.24
  5. Step 5: Solve for x
    x = 5,252,262.24/2,739.02
  6. Step 6: Final answer
    x = 1,917.57

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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.