Home / 3,134.41-4,321.38-2,603.77

Finding the Fourth Proportional to 3,134.41, 4,321.38 and 2,603.77

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Solution

The fourth proportional to 3,134.41, 4,321.38 and 2,603.77 is: 3,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.41 : 4,321.38 = 2,603.77 : x
  2. Step 2: Convert to fraction form
    3,134.41/4,321.38 = 2,603.77/x
  3. Step 3: Cross multiply
    3,134.41x = 4,321.38 × 2,603.77
  4. Step 4: Simplify right side
    3,134.41x = 11,251,879.60
  5. Step 5: Solve for x
    x = 11,251,879.60/3,134.41
  6. Step 6: Final answer
    x = 3,589.79

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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.