Home / 2,361.56-3,539.30-1,129.41

Finding the Fourth Proportional to 2,361.56, 3,539.30 and 1,129.41

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Solution

The fourth proportional to 2,361.56, 3,539.30 and 1,129.41 is: 1,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.56 : 3,539.30 = 1,129.41 : x
  2. Step 2: Convert to fraction form
    2,361.56/3,539.30 = 1,129.41/x
  3. Step 3: Cross multiply
    2,361.56x = 3,539.30 × 1,129.41
  4. Step 4: Simplify right side
    2,361.56x = 3,997,315.17
  5. Step 5: Solve for x
    x = 3,997,315.17/2,361.56
  6. Step 6: Final answer
    x = 1,692.66

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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.