Home / 3,669.27-5,504.81-1,719.20

Finding the Fourth Proportional to 3,669.27, 5,504.81 and 1,719.20

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Solution

The fourth proportional to 3,669.27, 5,504.81 and 1,719.20 is: 2,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.27 : 5,504.81 = 1,719.20 : x
  2. Step 2: Convert to fraction form
    3,669.27/5,504.81 = 1,719.20/x
  3. Step 3: Cross multiply
    3,669.27x = 5,504.81 × 1,719.20
  4. Step 4: Simplify right side
    3,669.27x = 9,463,833.23
  5. Step 5: Solve for x
    x = 9,463,833.23/3,669.27
  6. Step 6: Final answer
    x = 2,579.21

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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.