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Finding the Fourth Proportional to 1,775.52, 2,659.44 and 1,195.68

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Solution

The fourth proportional to 1,775.52, 2,659.44 and 1,195.68 is: 1,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.52 : 2,659.44 = 1,195.68 : x
  2. Step 2: Convert to fraction form
    1,775.52/2,659.44 = 1,195.68/x
  3. Step 3: Cross multiply
    1,775.52x = 2,659.44 × 1,195.68
  4. Step 4: Simplify right side
    1,775.52x = 3,179,839.22
  5. Step 5: Solve for x
    x = 3,179,839.22/1,775.52
  6. Step 6: Final answer
    x = 1,790.93

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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.