Home / 3,817.53-5,725.89-1,219.86

Finding the Fourth Proportional to 3,817.53, 5,725.89 and 1,219.86

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Solution

The fourth proportional to 3,817.53, 5,725.89 and 1,219.86 is: 1,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.53 : 5,725.89 = 1,219.86 : x
  2. Step 2: Convert to fraction form
    3,817.53/5,725.89 = 1,219.86/x
  3. Step 3: Cross multiply
    3,817.53x = 5,725.89 × 1,219.86
  4. Step 4: Simplify right side
    3,817.53x = 6,984,784.18
  5. Step 5: Solve for x
    x = 6,984,784.18/3,817.53
  6. Step 6: Final answer
    x = 1,829.66

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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.