Home / 2,080.06-3,120.29-984.13

Finding the Fourth Proportional to 2,080.06, 3,120.29 and 984.13

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Solution

The fourth proportional to 2,080.06, 3,120.29 and 984.13 is: 1,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.06 : 3,120.29 = 984.13 : x
  2. Step 2: Convert to fraction form
    2,080.06/3,120.29 = 984.13/x
  3. Step 3: Cross multiply
    2,080.06x = 3,120.29 × 984.13
  4. Step 4: Simplify right side
    2,080.06x = 3,070,771.00
  5. Step 5: Solve for x
    x = 3,070,771.00/2,080.06
  6. Step 6: Final answer
    x = 1,476.29

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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.