Home / 4,120.08-6,180-1,654.24

Finding the Fourth Proportional to 4,120.08, 6,180 and 1,654.24

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Solution

The fourth proportional to 4,120.08, 6,180 and 1,654.24 is: 2,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.08 : 6,180 = 1,654.24 : x
  2. Step 2: Convert to fraction form
    4,120.08/6,180 = 1,654.24/x
  3. Step 3: Cross multiply
    4,120.08x = 6,180 × 1,654.24
  4. Step 4: Simplify right side
    4,120.08x = 10,223,203.20
  5. Step 5: Solve for x
    x = 10,223,203.20/4,120.08
  6. Step 6: Final answer
    x = 2,481.31

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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.