Home / 3,790.52-5,686.50-1,842.56

Finding the Fourth Proportional to 3,790.52, 5,686.50 and 1,842.56

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Solution

The fourth proportional to 3,790.52, 5,686.50 and 1,842.56 is: 2,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.52 : 5,686.50 = 1,842.56 : x
  2. Step 2: Convert to fraction form
    3,790.52/5,686.50 = 1,842.56/x
  3. Step 3: Cross multiply
    3,790.52x = 5,686.50 × 1,842.56
  4. Step 4: Simplify right side
    3,790.52x = 10,477,717.44
  5. Step 5: Solve for x
    x = 10,477,717.44/3,790.52
  6. Step 6: Final answer
    x = 2,764.19

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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.