Home / 2,556.45-3,834.68-1,516.95

Finding the Fourth Proportional to 2,556.45, 3,834.68 and 1,516.95

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Solution

The fourth proportional to 2,556.45, 3,834.68 and 1,516.95 is: 2,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.45 : 3,834.68 = 1,516.95 : x
  2. Step 2: Convert to fraction form
    2,556.45/3,834.68 = 1,516.95/x
  3. Step 3: Cross multiply
    2,556.45x = 3,834.68 × 1,516.95
  4. Step 4: Simplify right side
    2,556.45x = 5,817,010.24
  5. Step 5: Solve for x
    x = 5,817,010.24/2,556.45
  6. Step 6: Final answer
    x = 2,275.43

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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.