Home / 3,493.60-5,236.08-2,102.56

Finding the Fourth Proportional to 3,493.60, 5,236.08 and 2,102.56

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Solution

The fourth proportional to 3,493.60, 5,236.08 and 2,102.56 is: 3,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.60 : 5,236.08 = 2,102.56 : x
  2. Step 2: Convert to fraction form
    3,493.60/5,236.08 = 2,102.56/x
  3. Step 3: Cross multiply
    3,493.60x = 5,236.08 × 2,102.56
  4. Step 4: Simplify right side
    3,493.60x = 11,009,172.36
  5. Step 5: Solve for x
    x = 11,009,172.36/3,493.60
  6. Step 6: Final answer
    x = 3,151.24

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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.