Home / 3,606.78-5,410.45-1,141.80

Finding the Fourth Proportional to 3,606.78, 5,410.45 and 1,141.80

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Solution

The fourth proportional to 3,606.78, 5,410.45 and 1,141.80 is: 1,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.78 : 5,410.45 = 1,141.80 : x
  2. Step 2: Convert to fraction form
    3,606.78/5,410.45 = 1,141.80/x
  3. Step 3: Cross multiply
    3,606.78x = 5,410.45 × 1,141.80
  4. Step 4: Simplify right side
    3,606.78x = 6,177,626.53
  5. Step 5: Solve for x
    x = 6,177,626.53/3,606.78
  6. Step 6: Final answer
    x = 1,712.78

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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.