Home / 3,864.24-5,783.40-3,170.88

Finding the Fourth Proportional to 3,864.24, 5,783.40 and 3,170.88

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Solution

The fourth proportional to 3,864.24, 5,783.40 and 3,170.88 is: 4,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.24 : 5,783.40 = 3,170.88 : x
  2. Step 2: Convert to fraction form
    3,864.24/5,783.40 = 3,170.88/x
  3. Step 3: Cross multiply
    3,864.24x = 5,783.40 × 3,170.88
  4. Step 4: Simplify right side
    3,864.24x = 18,338,467.39
  5. Step 5: Solve for x
    x = 18,338,467.39/3,864.24
  6. Step 6: Final answer
    x = 4,745.69

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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.