Home / 3,629.34-5,446.44-1,320.84

Finding the Fourth Proportional to 3,629.34, 5,446.44 and 1,320.84

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Solution

The fourth proportional to 3,629.34, 5,446.44 and 1,320.84 is: 1,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.34 : 5,446.44 = 1,320.84 : x
  2. Step 2: Convert to fraction form
    3,629.34/5,446.44 = 1,320.84/x
  3. Step 3: Cross multiply
    3,629.34x = 5,446.44 × 1,320.84
  4. Step 4: Simplify right side
    3,629.34x = 7,193,875.81
  5. Step 5: Solve for x
    x = 7,193,875.81/3,629.34
  6. Step 6: Final answer
    x = 1,982.14

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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.