Home / 3,639.10-5,448.93-2,174.62

Finding the Fourth Proportional to 3,639.10, 5,448.93 and 2,174.62

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Solution

The fourth proportional to 3,639.10, 5,448.93 and 2,174.62 is: 3,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.10 : 5,448.93 = 2,174.62 : x
  2. Step 2: Convert to fraction form
    3,639.10/5,448.93 = 2,174.62/x
  3. Step 3: Cross multiply
    3,639.10x = 5,448.93 × 2,174.62
  4. Step 4: Simplify right side
    3,639.10x = 11,849,352.16
  5. Step 5: Solve for x
    x = 11,849,352.16/3,639.10
  6. Step 6: Final answer
    x = 3,256.12

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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.