Home / 3,972.06-5,957.26-1,629.78

Finding the Fourth Proportional to 3,972.06, 5,957.26 and 1,629.78

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Solution

The fourth proportional to 3,972.06, 5,957.26 and 1,629.78 is: 2,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.06 : 5,957.26 = 1,629.78 : x
  2. Step 2: Convert to fraction form
    3,972.06/5,957.26 = 1,629.78/x
  3. Step 3: Cross multiply
    3,972.06x = 5,957.26 × 1,629.78
  4. Step 4: Simplify right side
    3,972.06x = 9,709,023.20
  5. Step 5: Solve for x
    x = 9,709,023.20/3,972.06
  6. Step 6: Final answer
    x = 2,444.33

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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.