Home / 2,530.45-3,794.55-1,143.73

Finding the Fourth Proportional to 2,530.45, 3,794.55 and 1,143.73

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Solution

The fourth proportional to 2,530.45, 3,794.55 and 1,143.73 is: 1,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.45 : 3,794.55 = 1,143.73 : x
  2. Step 2: Convert to fraction form
    2,530.45/3,794.55 = 1,143.73/x
  3. Step 3: Cross multiply
    2,530.45x = 3,794.55 × 1,143.73
  4. Step 4: Simplify right side
    2,530.45x = 4,339,935.47
  5. Step 5: Solve for x
    x = 4,339,935.47/2,530.45
  6. Step 6: Final answer
    x = 1,715.09

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1.5x scale

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.