Home / 3,080.20-4,610.28-2,919.82

Finding the Fourth Proportional to 3,080.20, 4,610.28 and 2,919.82

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Solution

The fourth proportional to 3,080.20, 4,610.28 and 2,919.82 is: 4,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.20 : 4,610.28 = 2,919.82 : x
  2. Step 2: Convert to fraction form
    3,080.20/4,610.28 = 2,919.82/x
  3. Step 3: Cross multiply
    3,080.20x = 4,610.28 × 2,919.82
  4. Step 4: Simplify right side
    3,080.20x = 13,461,187.75
  5. Step 5: Solve for x
    x = 13,461,187.75/3,080.20
  6. Step 6: Final answer
    x = 4,370.23

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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.