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Finding the Fourth Proportional to 3,976.77, 5,965.16 and 1,511.01

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Solution

The fourth proportional to 3,976.77, 5,965.16 and 1,511.01 is: 2,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.77 : 5,965.16 = 1,511.01 : x
  2. Step 2: Convert to fraction form
    3,976.77/5,965.16 = 1,511.01/x
  3. Step 3: Cross multiply
    3,976.77x = 5,965.16 × 1,511.01
  4. Step 4: Simplify right side
    3,976.77x = 9,013,408.86
  5. Step 5: Solve for x
    x = 9,013,408.86/3,976.77
  6. Step 6: Final answer
    x = 2,266.52

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Similar ratio
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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.