Home / 4,119.91-6,180.65-1,654.92

Finding the Fourth Proportional to 4,119.91, 6,180.65 and 1,654.92

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Solution

The fourth proportional to 4,119.91, 6,180.65 and 1,654.92 is: 2,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.91 : 6,180.65 = 1,654.92 : x
  2. Step 2: Convert to fraction form
    4,119.91/6,180.65 = 1,654.92/x
  3. Step 3: Cross multiply
    4,119.91x = 6,180.65 × 1,654.92
  4. Step 4: Simplify right side
    4,119.91x = 10,228,481.30
  5. Step 5: Solve for x
    x = 10,228,481.30/4,119.91
  6. Step 6: Final answer
    x = 2,482.70

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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.