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Finding the Fourth Proportional to 1,733.69, 2,601.14 and 759.66

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Solution

The fourth proportional to 1,733.69, 2,601.14 and 759.66 is: 1,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.69 : 2,601.14 = 759.66 : x
  2. Step 2: Convert to fraction form
    1,733.69/2,601.14 = 759.66/x
  3. Step 3: Cross multiply
    1,733.69x = 2,601.14 × 759.66
  4. Step 4: Simplify right side
    1,733.69x = 1,975,978.21
  5. Step 5: Solve for x
    x = 1,975,978.21/1,733.69
  6. Step 6: Final answer
    x = 1,139.76

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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.