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Finding the Fourth Proportional to 2,361.85, 3,543.20 and 801.53

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Solution

The fourth proportional to 2,361.85, 3,543.20 and 801.53 is: 1,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.85 : 3,543.20 = 801.53 : x
  2. Step 2: Convert to fraction form
    2,361.85/3,543.20 = 801.53/x
  3. Step 3: Cross multiply
    2,361.85x = 3,543.20 × 801.53
  4. Step 4: Simplify right side
    2,361.85x = 2,839,981.10
  5. Step 5: Solve for x
    x = 2,839,981.10/2,361.85
  6. Step 6: Final answer
    x = 1,202.44

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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.