Home / 3,276.78-4,919.40-2,040.30

Finding the Fourth Proportional to 3,276.78, 4,919.40 and 2,040.30

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Solution

The fourth proportional to 3,276.78, 4,919.40 and 2,040.30 is: 3,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.78 : 4,919.40 = 2,040.30 : x
  2. Step 2: Convert to fraction form
    3,276.78/4,919.40 = 2,040.30/x
  3. Step 3: Cross multiply
    3,276.78x = 4,919.40 × 2,040.30
  4. Step 4: Simplify right side
    3,276.78x = 10,037,051.82
  5. Step 5: Solve for x
    x = 10,037,051.82/3,276.78
  6. Step 6: Final answer
    x = 3,063.08

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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.