Home / 2,020.68-2,789.94-1,556.04

Finding the Fourth Proportional to 2,020.68, 2,789.94 and 1,556.04

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Solution

The fourth proportional to 2,020.68, 2,789.94 and 1,556.04 is: 2,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.68 : 2,789.94 = 1,556.04 : x
  2. Step 2: Convert to fraction form
    2,020.68/2,789.94 = 1,556.04/x
  3. Step 3: Cross multiply
    2,020.68x = 2,789.94 × 1,556.04
  4. Step 4: Simplify right side
    2,020.68x = 4,341,258.24
  5. Step 5: Solve for x
    x = 4,341,258.24/2,020.68
  6. Step 6: Final answer
    x = 2,148.41

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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.