Home / 3,619.70-5,441.15-3,362.90

Finding the Fourth Proportional to 3,619.70, 5,441.15 and 3,362.90

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Solution

The fourth proportional to 3,619.70, 5,441.15 and 3,362.90 is: 5,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.70 : 5,441.15 = 3,362.90 : x
  2. Step 2: Convert to fraction form
    3,619.70/5,441.15 = 3,362.90/x
  3. Step 3: Cross multiply
    3,619.70x = 5,441.15 × 3,362.90
  4. Step 4: Simplify right side
    3,619.70x = 18,298,043.34
  5. Step 5: Solve for x
    x = 18,298,043.34/3,619.70
  6. Step 6: Final answer
    x = 5,055.13

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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.