Home / 3,342.94-4,605.20-2,811.83

Finding the Fourth Proportional to 3,342.94, 4,605.20 and 2,811.83

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Solution

The fourth proportional to 3,342.94, 4,605.20 and 2,811.83 is: 3,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.94 : 4,605.20 = 2,811.83 : x
  2. Step 2: Convert to fraction form
    3,342.94/4,605.20 = 2,811.83/x
  3. Step 3: Cross multiply
    3,342.94x = 4,605.20 × 2,811.83
  4. Step 4: Simplify right side
    3,342.94x = 12,949,054.70
  5. Step 5: Solve for x
    x = 12,949,054.70/3,342.94
  6. Step 6: Final answer
    x = 3,873.56

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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.