Home / 2,739.27-3,781.16-1,620.60

Finding the Fourth Proportional to 2,739.27, 3,781.16 and 1,620.60

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Solution

The fourth proportional to 2,739.27, 3,781.16 and 1,620.60 is: 2,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.27 : 3,781.16 = 1,620.60 : x
  2. Step 2: Convert to fraction form
    2,739.27/3,781.16 = 1,620.60/x
  3. Step 3: Cross multiply
    2,739.27x = 3,781.16 × 1,620.60
  4. Step 4: Simplify right side
    2,739.27x = 6,127,733.04
  5. Step 5: Solve for x
    x = 6,127,733.04/2,739.27
  6. Step 6: Final answer
    x = 2,237.00

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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.