Home / 2,965.64-4,091.99-1,786.77

Finding the Fourth Proportional to 2,965.64, 4,091.99 and 1,786.77

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Solution

The fourth proportional to 2,965.64, 4,091.99 and 1,786.77 is: 2,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.64 : 4,091.99 = 1,786.77 : x
  2. Step 2: Convert to fraction form
    2,965.64/4,091.99 = 1,786.77/x
  3. Step 3: Cross multiply
    2,965.64x = 4,091.99 × 1,786.77
  4. Step 4: Simplify right side
    2,965.64x = 7,311,436.04
  5. Step 5: Solve for x
    x = 7,311,436.04/2,965.64
  6. Step 6: Final answer
    x = 2,465.39

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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.