Home / 3,305.87-4,960.77-1,331.68

Finding the Fourth Proportional to 3,305.87, 4,960.77 and 1,331.68

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Solution

The fourth proportional to 3,305.87, 4,960.77 and 1,331.68 is: 1,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.87 : 4,960.77 = 1,331.68 : x
  2. Step 2: Convert to fraction form
    3,305.87/4,960.77 = 1,331.68/x
  3. Step 3: Cross multiply
    3,305.87x = 4,960.77 × 1,331.68
  4. Step 4: Simplify right side
    3,305.87x = 6,606,158.19
  5. Step 5: Solve for x
    x = 6,606,158.19/3,305.87
  6. Step 6: Final answer
    x = 1,998.31

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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.