Home / 2,020.14-2,785.56-1,273.20

Finding the Fourth Proportional to 2,020.14, 2,785.56 and 1,273.20

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Solution

The fourth proportional to 2,020.14, 2,785.56 and 1,273.20 is: 1,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.14 : 2,785.56 = 1,273.20 : x
  2. Step 2: Convert to fraction form
    2,020.14/2,785.56 = 1,273.20/x
  3. Step 3: Cross multiply
    2,020.14x = 2,785.56 × 1,273.20
  4. Step 4: Simplify right side
    2,020.14x = 3,546,574.99
  5. Step 5: Solve for x
    x = 3,546,574.99/2,020.14
  6. Step 6: Final answer
    x = 1,755.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.