Home / 3,765.27-5,651.37-1,917.71

Finding the Fourth Proportional to 3,765.27, 5,651.37 and 1,917.71

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Solution

The fourth proportional to 3,765.27, 5,651.37 and 1,917.71 is: 2,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.27 : 5,651.37 = 1,917.71 : x
  2. Step 2: Convert to fraction form
    3,765.27/5,651.37 = 1,917.71/x
  3. Step 3: Cross multiply
    3,765.27x = 5,651.37 × 1,917.71
  4. Step 4: Simplify right side
    3,765.27x = 10,837,688.76
  5. Step 5: Solve for x
    x = 10,837,688.76/3,765.27
  6. Step 6: Final answer
    x = 2,878.33

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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.