Home / 3,921.18-5,883.30-1,728.37

Finding the Fourth Proportional to 3,921.18, 5,883.30 and 1,728.37

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Solution

The fourth proportional to 3,921.18, 5,883.30 and 1,728.37 is: 2,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.18 : 5,883.30 = 1,728.37 : x
  2. Step 2: Convert to fraction form
    3,921.18/5,883.30 = 1,728.37/x
  3. Step 3: Cross multiply
    3,921.18x = 5,883.30 × 1,728.37
  4. Step 4: Simplify right side
    3,921.18x = 10,168,519.22
  5. Step 5: Solve for x
    x = 10,168,519.22/3,921.18
  6. Step 6: Final answer
    x = 2,593.23

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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.