Home / 3,903.34-5,855.19-2,170.66

Finding the Fourth Proportional to 3,903.34, 5,855.19 and 2,170.66

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Solution

The fourth proportional to 3,903.34, 5,855.19 and 2,170.66 is: 3,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.34 : 5,855.19 = 2,170.66 : x
  2. Step 2: Convert to fraction form
    3,903.34/5,855.19 = 2,170.66/x
  3. Step 3: Cross multiply
    3,903.34x = 5,855.19 × 2,170.66
  4. Step 4: Simplify right side
    3,903.34x = 12,709,626.73
  5. Step 5: Solve for x
    x = 12,709,626.73/3,903.34
  6. Step 6: Final answer
    x = 3,256.09

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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.