Home / 3,789.50-5,684.46-1,192.64

Finding the Fourth Proportional to 3,789.50, 5,684.46 and 1,192.64

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Solution

The fourth proportional to 3,789.50, 5,684.46 and 1,192.64 is: 1,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.50 : 5,684.46 = 1,192.64 : x
  2. Step 2: Convert to fraction form
    3,789.50/5,684.46 = 1,192.64/x
  3. Step 3: Cross multiply
    3,789.50x = 5,684.46 × 1,192.64
  4. Step 4: Simplify right side
    3,789.50x = 6,779,514.37
  5. Step 5: Solve for x
    x = 6,779,514.37/3,789.50
  6. Step 6: Final answer
    x = 1,789.03

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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.