Home / 1,299.52-1,933.26-1,295.20

Finding the Fourth Proportional to 1,299.52, 1,933.26 and 1,295.20

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Solution

The fourth proportional to 1,299.52, 1,933.26 and 1,295.20 is: 1,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.52 : 1,933.26 = 1,295.20 : x
  2. Step 2: Convert to fraction form
    1,299.52/1,933.26 = 1,295.20/x
  3. Step 3: Cross multiply
    1,299.52x = 1,933.26 × 1,295.20
  4. Step 4: Simplify right side
    1,299.52x = 2,503,958.35
  5. Step 5: Solve for x
    x = 2,503,958.35/1,299.52
  6. Step 6: Final answer
    x = 1,926.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.