Home / 2,727.36-3,763.56-1,679.44

Finding the Fourth Proportional to 2,727.36, 3,763.56 and 1,679.44

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Solution

The fourth proportional to 2,727.36, 3,763.56 and 1,679.44 is: 2,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.36 : 3,763.56 = 1,679.44 : x
  2. Step 2: Convert to fraction form
    2,727.36/3,763.56 = 1,679.44/x
  3. Step 3: Cross multiply
    2,727.36x = 3,763.56 × 1,679.44
  4. Step 4: Simplify right side
    2,727.36x = 6,320,673.21
  5. Step 5: Solve for x
    x = 6,320,673.21/2,727.36
  6. Step 6: Final answer
    x = 2,317.51

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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.