Home / 3,790.15-5,685.45-1,193.08

Finding the Fourth Proportional to 3,790.15, 5,685.45 and 1,193.08

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Solution

The fourth proportional to 3,790.15, 5,685.45 and 1,193.08 is: 1,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.15 : 5,685.45 = 1,193.08 : x
  2. Step 2: Convert to fraction form
    3,790.15/5,685.45 = 1,193.08/x
  3. Step 3: Cross multiply
    3,790.15x = 5,685.45 × 1,193.08
  4. Step 4: Simplify right side
    3,790.15x = 6,783,190.72
  5. Step 5: Solve for x
    x = 6,783,190.72/3,790.15
  6. Step 6: Final answer
    x = 1,789.69

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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.