Home / 3,669.28-5,505.98-1,479.56

Finding the Fourth Proportional to 3,669.28, 5,505.98 and 1,479.56

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Solution

The fourth proportional to 3,669.28, 5,505.98 and 1,479.56 is: 2,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.28 : 5,505.98 = 1,479.56 : x
  2. Step 2: Convert to fraction form
    3,669.28/5,505.98 = 1,479.56/x
  3. Step 3: Cross multiply
    3,669.28x = 5,505.98 × 1,479.56
  4. Step 4: Simplify right side
    3,669.28x = 8,146,427.77
  5. Step 5: Solve for x
    x = 8,146,427.77/3,669.28
  6. Step 6: Final answer
    x = 2,220.17

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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.