Home / 3,965.30-5,946.99-1,332.90

Finding the Fourth Proportional to 3,965.30, 5,946.99 and 1,332.90

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Solution

The fourth proportional to 3,965.30, 5,946.99 and 1,332.90 is: 1,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.30 : 5,946.99 = 1,332.90 : x
  2. Step 2: Convert to fraction form
    3,965.30/5,946.99 = 1,332.90/x
  3. Step 3: Cross multiply
    3,965.30x = 5,946.99 × 1,332.90
  4. Step 4: Simplify right side
    3,965.30x = 7,926,742.97
  5. Step 5: Solve for x
    x = 7,926,742.97/3,965.30
  6. Step 6: Final answer
    x = 1,999.03

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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.