Home / 3,664.31-5,493.85-1,715.45

Finding the Fourth Proportional to 3,664.31, 5,493.85 and 1,715.45

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Solution

The fourth proportional to 3,664.31, 5,493.85 and 1,715.45 is: 2,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.31 : 5,493.85 = 1,715.45 : x
  2. Step 2: Convert to fraction form
    3,664.31/5,493.85 = 1,715.45/x
  3. Step 3: Cross multiply
    3,664.31x = 5,493.85 × 1,715.45
  4. Step 4: Simplify right side
    3,664.31x = 9,424,424.98
  5. Step 5: Solve for x
    x = 9,424,424.98/3,664.31
  6. Step 6: Final answer
    x = 2,571.95

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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.