Home / 3,861.02-5,324.30-3,434.29

Finding the Fourth Proportional to 3,861.02, 5,324.30 and 3,434.29

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Solution

The fourth proportional to 3,861.02, 5,324.30 and 3,434.29 is: 4,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.02 : 5,324.30 = 3,434.29 : x
  2. Step 2: Convert to fraction form
    3,861.02/5,324.30 = 3,434.29/x
  3. Step 3: Cross multiply
    3,861.02x = 5,324.30 × 3,434.29
  4. Step 4: Simplify right side
    3,861.02x = 18,285,202.59
  5. Step 5: Solve for x
    x = 18,285,202.59/3,861.02
  6. Step 6: Final answer
    x = 4,735.85

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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.