Home / 3,361.10-5,041.80-1,282.10

Finding the Fourth Proportional to 3,361.10, 5,041.80 and 1,282.10

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Solution

The fourth proportional to 3,361.10, 5,041.80 and 1,282.10 is: 1,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.10 : 5,041.80 = 1,282.10 : x
  2. Step 2: Convert to fraction form
    3,361.10/5,041.80 = 1,282.10/x
  3. Step 3: Cross multiply
    3,361.10x = 5,041.80 × 1,282.10
  4. Step 4: Simplify right side
    3,361.10x = 6,464,091.78
  5. Step 5: Solve for x
    x = 6,464,091.78/3,361.10
  6. Step 6: Final answer
    x = 1,923.21

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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.