Home / 3,778.32-5,667.44-1,145.82

Finding the Fourth Proportional to 3,778.32, 5,667.44 and 1,145.82

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Solution

The fourth proportional to 3,778.32, 5,667.44 and 1,145.82 is: 1,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.32 : 5,667.44 = 1,145.82 : x
  2. Step 2: Convert to fraction form
    3,778.32/5,667.44 = 1,145.82/x
  3. Step 3: Cross multiply
    3,778.32x = 5,667.44 × 1,145.82
  4. Step 4: Simplify right side
    3,778.32x = 6,493,866.10
  5. Step 5: Solve for x
    x = 6,493,866.10/3,778.32
  6. Step 6: Final answer
    x = 1,718.72

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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.