Home / 3,580.32-5,369.76-1,936.56

Finding the Fourth Proportional to 3,580.32, 5,369.76 and 1,936.56

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Solution

The fourth proportional to 3,580.32, 5,369.76 and 1,936.56 is: 2,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.32 : 5,369.76 = 1,936.56 : x
  2. Step 2: Convert to fraction form
    3,580.32/5,369.76 = 1,936.56/x
  3. Step 3: Cross multiply
    3,580.32x = 5,369.76 × 1,936.56
  4. Step 4: Simplify right side
    3,580.32x = 10,398,862.43
  5. Step 5: Solve for x
    x = 10,398,862.43/3,580.32
  6. Step 6: Final answer
    x = 2,904.45

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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.