Home / 2,177.58-3,267.91-1,299.54

Finding the Fourth Proportional to 2,177.58, 3,267.91 and 1,299.54

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Solution

The fourth proportional to 2,177.58, 3,267.91 and 1,299.54 is: 1,950.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.58 : 3,267.91 = 1,299.54 : x
  2. Step 2: Convert to fraction form
    2,177.58/3,267.91 = 1,299.54/x
  3. Step 3: Cross multiply
    2,177.58x = 3,267.91 × 1,299.54
  4. Step 4: Simplify right side
    2,177.58x = 4,246,793.64
  5. Step 5: Solve for x
    x = 4,246,793.64/2,177.58
  6. Step 6: Final answer
    x = 1,950.23

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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.