Home / 2,703.60-3,724.96-2,028.56

Finding the Fourth Proportional to 2,703.60, 3,724.96 and 2,028.56

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Solution

The fourth proportional to 2,703.60, 3,724.96 and 2,028.56 is: 2,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.60 : 3,724.96 = 2,028.56 : x
  2. Step 2: Convert to fraction form
    2,703.60/3,724.96 = 2,028.56/x
  3. Step 3: Cross multiply
    2,703.60x = 3,724.96 × 2,028.56
  4. Step 4: Simplify right side
    2,703.60x = 7,556,304.86
  5. Step 5: Solve for x
    x = 7,556,304.86/2,703.60
  6. Step 6: Final answer
    x = 2,794.90

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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.