Home / 3,778.27-5,667.41-1,145.77

Finding the Fourth Proportional to 3,778.27, 5,667.41 and 1,145.77

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Solution

The fourth proportional to 3,778.27, 5,667.41 and 1,145.77 is: 1,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.27 : 5,667.41 = 1,145.77 : x
  2. Step 2: Convert to fraction form
    3,778.27/5,667.41 = 1,145.77/x
  3. Step 3: Cross multiply
    3,778.27x = 5,667.41 × 1,145.77
  4. Step 4: Simplify right side
    3,778.27x = 6,493,542.63
  5. Step 5: Solve for x
    x = 6,493,542.63/3,778.27
  6. Step 6: Final answer
    x = 1,718.66

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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.