Home / 3,965.23-5,946.65-1,191.16

Finding the Fourth Proportional to 3,965.23, 5,946.65 and 1,191.16

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Solution

The fourth proportional to 3,965.23, 5,946.65 and 1,191.16 is: 1,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.23 : 5,946.65 = 1,191.16 : x
  2. Step 2: Convert to fraction form
    3,965.23/5,946.65 = 1,191.16/x
  3. Step 3: Cross multiply
    3,965.23x = 5,946.65 × 1,191.16
  4. Step 4: Simplify right side
    3,965.23x = 7,083,381.88
  5. Step 5: Solve for x
    x = 7,083,381.88/3,965.23
  6. Step 6: Final answer
    x = 1,786.38

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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.