Home / 3,861.36-5,326.68-2,683.44

Finding the Fourth Proportional to 3,861.36, 5,326.68 and 2,683.44

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Solution

The fourth proportional to 3,861.36, 5,326.68 and 2,683.44 is: 3,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.36 : 5,326.68 = 2,683.44 : x
  2. Step 2: Convert to fraction form
    3,861.36/5,326.68 = 2,683.44/x
  3. Step 3: Cross multiply
    3,861.36x = 5,326.68 × 2,683.44
  4. Step 4: Simplify right side
    3,861.36x = 14,293,826.18
  5. Step 5: Solve for x
    x = 14,293,826.18/3,861.36
  6. Step 6: Final answer
    x = 3,701.76

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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.