Home / 3,789.88-5,685.02-1,193.02

Finding the Fourth Proportional to 3,789.88, 5,685.02 and 1,193.02

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Solution

The fourth proportional to 3,789.88, 5,685.02 and 1,193.02 is: 1,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.88 : 5,685.02 = 1,193.02 : x
  2. Step 2: Convert to fraction form
    3,789.88/5,685.02 = 1,193.02/x
  3. Step 3: Cross multiply
    3,789.88x = 5,685.02 × 1,193.02
  4. Step 4: Simplify right side
    3,789.88x = 6,782,342.56
  5. Step 5: Solve for x
    x = 6,782,342.56/3,789.88
  6. Step 6: Final answer
    x = 1,789.59

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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.