Home / 2,710.80-4,067.62-1,601.78

Finding the Fourth Proportional to 2,710.80, 4,067.62 and 1,601.78

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Solution

The fourth proportional to 2,710.80, 4,067.62 and 1,601.78 is: 2,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.80 : 4,067.62 = 1,601.78 : x
  2. Step 2: Convert to fraction form
    2,710.80/4,067.62 = 1,601.78/x
  3. Step 3: Cross multiply
    2,710.80x = 4,067.62 × 1,601.78
  4. Step 4: Simplify right side
    2,710.80x = 6,515,408.02
  5. Step 5: Solve for x
    x = 6,515,408.02/2,710.80
  6. Step 6: Final answer
    x = 2,403.50

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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.