Home / 3,963.23-5,943.65-1,330.29

Finding the Fourth Proportional to 3,963.23, 5,943.65 and 1,330.29

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Solution

The fourth proportional to 3,963.23, 5,943.65 and 1,330.29 is: 1,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.23 : 5,943.65 = 1,330.29 : x
  2. Step 2: Convert to fraction form
    3,963.23/5,943.65 = 1,330.29/x
  3. Step 3: Cross multiply
    3,963.23x = 5,943.65 × 1,330.29
  4. Step 4: Simplify right side
    3,963.23x = 7,906,778.16
  5. Step 5: Solve for x
    x = 7,906,778.16/3,963.23
  6. Step 6: Final answer
    x = 1,995.03

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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.