Home / 3,080.57-4,619.97-1,206.14

Finding the Fourth Proportional to 3,080.57, 4,619.97 and 1,206.14

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Solution

The fourth proportional to 3,080.57, 4,619.97 and 1,206.14 is: 1,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.57 : 4,619.97 = 1,206.14 : x
  2. Step 2: Convert to fraction form
    3,080.57/4,619.97 = 1,206.14/x
  3. Step 3: Cross multiply
    3,080.57x = 4,619.97 × 1,206.14
  4. Step 4: Simplify right side
    3,080.57x = 5,572,307.52
  5. Step 5: Solve for x
    x = 5,572,307.52/3,080.57
  6. Step 6: Final answer
    x = 1,808.86

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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.