Home / 3,518.05-5,277.08-2,419.09

Finding the Fourth Proportional to 3,518.05, 5,277.08 and 2,419.09

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Solution

The fourth proportional to 3,518.05, 5,277.08 and 2,419.09 is: 3,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.05 : 5,277.08 = 2,419.09 : x
  2. Step 2: Convert to fraction form
    3,518.05/5,277.08 = 2,419.09/x
  3. Step 3: Cross multiply
    3,518.05x = 5,277.08 × 2,419.09
  4. Step 4: Simplify right side
    3,518.05x = 12,765,692.98
  5. Step 5: Solve for x
    x = 12,765,692.98/3,518.05
  6. Step 6: Final answer
    x = 3,628.63

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Double scale
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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.