Home / 4,171.80-6,258.03-1,398.48

Finding the Fourth Proportional to 4,171.80, 6,258.03 and 1,398.48

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Solution

The fourth proportional to 4,171.80, 6,258.03 and 1,398.48 is: 2,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.80 : 6,258.03 = 1,398.48 : x
  2. Step 2: Convert to fraction form
    4,171.80/6,258.03 = 1,398.48/x
  3. Step 3: Cross multiply
    4,171.80x = 6,258.03 × 1,398.48
  4. Step 4: Simplify right side
    4,171.80x = 8,751,724.55
  5. Step 5: Solve for x
    x = 8,751,724.55/4,171.80
  6. Step 6: Final answer
    x = 2,097.83

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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.