Home / 3,966.20-5,923.36-3,374.88

Finding the Fourth Proportional to 3,966.20, 5,923.36 and 3,374.88

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Solution

The fourth proportional to 3,966.20, 5,923.36 and 3,374.88 is: 5,040.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.20 : 5,923.36 = 3,374.88 : x
  2. Step 2: Convert to fraction form
    3,966.20/5,923.36 = 3,374.88/x
  3. Step 3: Cross multiply
    3,966.20x = 5,923.36 × 3,374.88
  4. Step 4: Simplify right side
    3,966.20x = 19,990,629.20
  5. Step 5: Solve for x
    x = 19,990,629.20/3,966.20
  6. Step 6: Final answer
    x = 5,040.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.