Home / 3,080.13-4,619.14-1,230.76

Finding the Fourth Proportional to 3,080.13, 4,619.14 and 1,230.76

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Solution

The fourth proportional to 3,080.13, 4,619.14 and 1,230.76 is: 1,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.13 : 4,619.14 = 1,230.76 : x
  2. Step 2: Convert to fraction form
    3,080.13/4,619.14 = 1,230.76/x
  3. Step 3: Cross multiply
    3,080.13x = 4,619.14 × 1,230.76
  4. Step 4: Simplify right side
    3,080.13x = 5,685,023.50
  5. Step 5: Solve for x
    x = 5,685,023.50/3,080.13
  6. Step 6: Final answer
    x = 1,845.71

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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.