Home / 3,997.35-5,516.10-2,228.92

Finding the Fourth Proportional to 3,997.35, 5,516.10 and 2,228.92

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Solution

The fourth proportional to 3,997.35, 5,516.10 and 2,228.92 is: 3,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.35 : 5,516.10 = 2,228.92 : x
  2. Step 2: Convert to fraction form
    3,997.35/5,516.10 = 2,228.92/x
  3. Step 3: Cross multiply
    3,997.35x = 5,516.10 × 2,228.92
  4. Step 4: Simplify right side
    3,997.35x = 12,294,931.82
  5. Step 5: Solve for x
    x = 12,294,931.82/3,997.35
  6. Step 6: Final answer
    x = 3,075.77

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Half scale
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Double scale
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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.