Home / 3,342.08-5,009.79-2,758.88

Finding the Fourth Proportional to 3,342.08, 5,009.79 and 2,758.88

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Solution

The fourth proportional to 3,342.08, 5,009.79 and 2,758.88 is: 4,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.08 : 5,009.79 = 2,758.88 : x
  2. Step 2: Convert to fraction form
    3,342.08/5,009.79 = 2,758.88/x
  3. Step 3: Cross multiply
    3,342.08x = 5,009.79 × 2,758.88
  4. Step 4: Simplify right side
    3,342.08x = 13,821,409.44
  5. Step 5: Solve for x
    x = 13,821,409.44/3,342.08
  6. Step 6: Final answer
    x = 4,135.57

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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.