Home / 3,361.60-5,041.28-1,629.12

Finding the Fourth Proportional to 3,361.60, 5,041.28 and 1,629.12

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Solution

The fourth proportional to 3,361.60, 5,041.28 and 1,629.12 is: 2,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.60 : 5,041.28 = 1,629.12 : x
  2. Step 2: Convert to fraction form
    3,361.60/5,041.28 = 1,629.12/x
  3. Step 3: Cross multiply
    3,361.60x = 5,041.28 × 1,629.12
  4. Step 4: Simplify right side
    3,361.60x = 8,212,850.07
  5. Step 5: Solve for x
    x = 8,212,850.07/3,361.60
  6. Step 6: Final answer
    x = 2,443.14

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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.