Home / 3,634.76-5,004.87-2,739.80

Finding the Fourth Proportional to 3,634.76, 5,004.87 and 2,739.80

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Solution

The fourth proportional to 3,634.76, 5,004.87 and 2,739.80 is: 3,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.76 : 5,004.87 = 2,739.80 : x
  2. Step 2: Convert to fraction form
    3,634.76/5,004.87 = 2,739.80/x
  3. Step 3: Cross multiply
    3,634.76x = 5,004.87 × 2,739.80
  4. Step 4: Simplify right side
    3,634.76x = 13,712,345.06
  5. Step 5: Solve for x
    x = 13,712,345.06/3,634.76
  6. Step 6: Final answer
    x = 3,772.56

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1.5x scale

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.