Home / 2,241.86-3,361.16-1,145.39

Finding the Fourth Proportional to 2,241.86, 3,361.16 and 1,145.39

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Solution

The fourth proportional to 2,241.86, 3,361.16 and 1,145.39 is: 1,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.86 : 3,361.16 = 1,145.39 : x
  2. Step 2: Convert to fraction form
    2,241.86/3,361.16 = 1,145.39/x
  3. Step 3: Cross multiply
    2,241.86x = 3,361.16 × 1,145.39
  4. Step 4: Simplify right side
    2,241.86x = 3,849,825.11
  5. Step 5: Solve for x
    x = 3,849,825.11/2,241.86
  6. Step 6: Final answer
    x = 1,717.25

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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.