Home / 2,361.40-3,539.76-1,322.28

Finding the Fourth Proportional to 2,361.40, 3,539.76 and 1,322.28

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Solution

The fourth proportional to 2,361.40, 3,539.76 and 1,322.28 is: 1,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.40 : 3,539.76 = 1,322.28 : x
  2. Step 2: Convert to fraction form
    2,361.40/3,539.76 = 1,322.28/x
  3. Step 3: Cross multiply
    2,361.40x = 3,539.76 × 1,322.28
  4. Step 4: Simplify right side
    2,361.40x = 4,680,553.85
  5. Step 5: Solve for x
    x = 4,680,553.85/2,361.40
  6. Step 6: Final answer
    x = 1,982.11

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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.