Home / 3,965.63-5,947.97-1,192.30

Finding the Fourth Proportional to 3,965.63, 5,947.97 and 1,192.30

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Solution

The fourth proportional to 3,965.63, 5,947.97 and 1,192.30 is: 1,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.63 : 5,947.97 = 1,192.30 : x
  2. Step 2: Convert to fraction form
    3,965.63/5,947.97 = 1,192.30/x
  3. Step 3: Cross multiply
    3,965.63x = 5,947.97 × 1,192.30
  4. Step 4: Simplify right side
    3,965.63x = 7,091,743.80
  5. Step 5: Solve for x
    x = 7,091,743.80/3,965.63
  6. Step 6: Final answer
    x = 1,788.30

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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.