Home / 2,788.23-4,179.61-1,556.23

Finding the Fourth Proportional to 2,788.23, 4,179.61 and 1,556.23

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Solution

The fourth proportional to 2,788.23, 4,179.61 and 1,556.23 is: 2,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.23 : 4,179.61 = 1,556.23 : x
  2. Step 2: Convert to fraction form
    2,788.23/4,179.61 = 1,556.23/x
  3. Step 3: Cross multiply
    2,788.23x = 4,179.61 × 1,556.23
  4. Step 4: Simplify right side
    2,788.23x = 6,504,434.47
  5. Step 5: Solve for x
    x = 6,504,434.47/2,788.23
  6. Step 6: Final answer
    x = 2,332.82

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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.