Home / 1,660.19-2,489.76-1,196.55

Finding the Fourth Proportional to 1,660.19, 2,489.76 and 1,196.55

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Solution

The fourth proportional to 1,660.19, 2,489.76 and 1,196.55 is: 1,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.19 : 2,489.76 = 1,196.55 : x
  2. Step 2: Convert to fraction form
    1,660.19/2,489.76 = 1,196.55/x
  3. Step 3: Cross multiply
    1,660.19x = 2,489.76 × 1,196.55
  4. Step 4: Simplify right side
    1,660.19x = 2,979,122.33
  5. Step 5: Solve for x
    x = 2,979,122.33/1,660.19
  6. Step 6: Final answer
    x = 1,794.45

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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.