Home / 3,982.60-5,499.30-3,464.20

Finding the Fourth Proportional to 3,982.60, 5,499.30 and 3,464.20

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Solution

The fourth proportional to 3,982.60, 5,499.30 and 3,464.20 is: 4,783.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.60 : 5,499.30 = 3,464.20 : x
  2. Step 2: Convert to fraction form
    3,982.60/5,499.30 = 3,464.20/x
  3. Step 3: Cross multiply
    3,982.60x = 5,499.30 × 3,464.20
  4. Step 4: Simplify right side
    3,982.60x = 19,050,675.06
  5. Step 5: Solve for x
    x = 19,050,675.06/3,982.60
  6. Step 6: Final answer
    x = 4,783.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.