Home / 2,859.06-4,288.68-1,704

Finding the Fourth Proportional to 2,859.06, 4,288.68 and 1,704

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Solution

The fourth proportional to 2,859.06, 4,288.68 and 1,704 is: 2,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.06 : 4,288.68 = 1,704 : x
  2. Step 2: Convert to fraction form
    2,859.06/4,288.68 = 1,704/x
  3. Step 3: Cross multiply
    2,859.06x = 4,288.68 × 1,704
  4. Step 4: Simplify right side
    2,859.06x = 7,307,910.72
  5. Step 5: Solve for x
    x = 7,307,910.72/2,859.06
  6. Step 6: Final answer
    x = 2,556.05

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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.