Home / 3,538.53-5,295.44-2,989.15

Finding the Fourth Proportional to 3,538.53, 5,295.44 and 2,989.15

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Solution

The fourth proportional to 3,538.53, 5,295.44 and 2,989.15 is: 4,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.53 : 5,295.44 = 2,989.15 : x
  2. Step 2: Convert to fraction form
    3,538.53/5,295.44 = 2,989.15/x
  3. Step 3: Cross multiply
    3,538.53x = 5,295.44 × 2,989.15
  4. Step 4: Simplify right side
    3,538.53x = 15,828,858.71
  5. Step 5: Solve for x
    x = 15,828,858.71/3,538.53
  6. Step 6: Final answer
    x = 4,473.29

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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.