Home / 2,781.09-4,171.77-2,293.25

Finding the Fourth Proportional to 2,781.09, 4,171.77 and 2,293.25

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Solution

The fourth proportional to 2,781.09, 4,171.77 and 2,293.25 is: 3,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.09 : 4,171.77 = 2,293.25 : x
  2. Step 2: Convert to fraction form
    2,781.09/4,171.77 = 2,293.25/x
  3. Step 3: Cross multiply
    2,781.09x = 4,171.77 × 2,293.25
  4. Step 4: Simplify right side
    2,781.09x = 9,566,890.69
  5. Step 5: Solve for x
    x = 9,566,890.69/2,781.09
  6. Step 6: Final answer
    x = 3,439.98

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1.5x scale

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.