Home / 3,860.60-5,790.94-1,192.18

Finding the Fourth Proportional to 3,860.60, 5,790.94 and 1,192.18

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Solution

The fourth proportional to 3,860.60, 5,790.94 and 1,192.18 is: 1,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.60 : 5,790.94 = 1,192.18 : x
  2. Step 2: Convert to fraction form
    3,860.60/5,790.94 = 1,192.18/x
  3. Step 3: Cross multiply
    3,860.60x = 5,790.94 × 1,192.18
  4. Step 4: Simplify right side
    3,860.60x = 6,903,842.85
  5. Step 5: Solve for x
    x = 6,903,842.85/3,860.60
  6. Step 6: Final answer
    x = 1,788.28

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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.