Home / 1,342.26-2,007.12-1,196.85

Finding the Fourth Proportional to 1,342.26, 2,007.12 and 1,196.85

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Solution

The fourth proportional to 1,342.26, 2,007.12 and 1,196.85 is: 1,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.26 : 2,007.12 = 1,196.85 : x
  2. Step 2: Convert to fraction form
    1,342.26/2,007.12 = 1,196.85/x
  3. Step 3: Cross multiply
    1,342.26x = 2,007.12 × 1,196.85
  4. Step 4: Simplify right side
    1,342.26x = 2,402,221.57
  5. Step 5: Solve for x
    x = 2,402,221.57/1,342.26
  6. Step 6: Final answer
    x = 1,789.68

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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.