Home / 3,750.08-5,171.75-3,122.69

Finding the Fourth Proportional to 3,750.08, 5,171.75 and 3,122.69

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Solution

The fourth proportional to 3,750.08, 5,171.75 and 3,122.69 is: 4,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.08 : 5,171.75 = 3,122.69 : x
  2. Step 2: Convert to fraction form
    3,750.08/5,171.75 = 3,122.69/x
  3. Step 3: Cross multiply
    3,750.08x = 5,171.75 × 3,122.69
  4. Step 4: Simplify right side
    3,750.08x = 16,149,742.25
  5. Step 5: Solve for x
    x = 16,149,742.25/3,750.08
  6. Step 6: Final answer
    x = 4,306.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.