Home / 4,120.56-6,180.03-1,654.11

Finding the Fourth Proportional to 4,120.56, 6,180.03 and 1,654.11

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Solution

The fourth proportional to 4,120.56, 6,180.03 and 1,654.11 is: 2,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.56 : 6,180.03 = 1,654.11 : x
  2. Step 2: Convert to fraction form
    4,120.56/6,180.03 = 1,654.11/x
  3. Step 3: Cross multiply
    4,120.56x = 6,180.03 × 1,654.11
  4. Step 4: Simplify right side
    4,120.56x = 10,222,449.42
  5. Step 5: Solve for x
    x = 10,222,449.42/4,120.56
  6. Step 6: Final answer
    x = 2,480.84

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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.