Home / 3,861.05-5,328.26-2,267.39

Finding the Fourth Proportional to 3,861.05, 5,328.26 and 2,267.39

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Solution

The fourth proportional to 3,861.05, 5,328.26 and 2,267.39 is: 3,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.05 : 5,328.26 = 2,267.39 : x
  2. Step 2: Convert to fraction form
    3,861.05/5,328.26 = 2,267.39/x
  3. Step 3: Cross multiply
    3,861.05x = 5,328.26 × 2,267.39
  4. Step 4: Simplify right side
    3,861.05x = 12,081,243.44
  5. Step 5: Solve for x
    x = 12,081,243.44/3,861.05
  6. Step 6: Final answer
    x = 3,129.00

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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.