Home / 3,790.85-5,707.37-3,331.58

Finding the Fourth Proportional to 3,790.85, 5,707.37 and 3,331.58

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Solution

The fourth proportional to 3,790.85, 5,707.37 and 3,331.58 is: 5,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.85 : 5,707.37 = 3,331.58 : x
  2. Step 2: Convert to fraction form
    3,790.85/5,707.37 = 3,331.58/x
  3. Step 3: Cross multiply
    3,790.85x = 5,707.37 × 3,331.58
  4. Step 4: Simplify right side
    3,790.85x = 19,014,514.55
  5. Step 5: Solve for x
    x = 19,014,514.55/3,790.85
  6. Step 6: Final answer
    x = 5,015.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.