Home / 3,108.08-4,654.52-2,009.14

Finding the Fourth Proportional to 3,108.08, 4,654.52 and 2,009.14

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Solution

The fourth proportional to 3,108.08, 4,654.52 and 2,009.14 is: 3,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.08 : 4,654.52 = 2,009.14 : x
  2. Step 2: Convert to fraction form
    3,108.08/4,654.52 = 2,009.14/x
  3. Step 3: Cross multiply
    3,108.08x = 4,654.52 × 2,009.14
  4. Step 4: Simplify right side
    3,108.08x = 9,351,548.99
  5. Step 5: Solve for x
    x = 9,351,548.99/3,108.08
  6. Step 6: Final answer
    x = 3,008.79

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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.