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Finding the Fourth Proportional to 3,775.92, 5,667.48 and 2,317.92

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Solution

The fourth proportional to 3,775.92, 5,667.48 and 2,317.92 is: 3,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.92 : 5,667.48 = 2,317.92 : x
  2. Step 2: Convert to fraction form
    3,775.92/5,667.48 = 2,317.92/x
  3. Step 3: Cross multiply
    3,775.92x = 5,667.48 × 2,317.92
  4. Step 4: Simplify right side
    3,775.92x = 13,136,765.24
  5. Step 5: Solve for x
    x = 13,136,765.24/3,775.92
  6. Step 6: Final answer
    x = 3,479.09

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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.