Home / 3,845.96-5,769.02-1,380.94

Finding the Fourth Proportional to 3,845.96, 5,769.02 and 1,380.94

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Solution

The fourth proportional to 3,845.96, 5,769.02 and 1,380.94 is: 2,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.96 : 5,769.02 = 1,380.94 : x
  2. Step 2: Convert to fraction form
    3,845.96/5,769.02 = 1,380.94/x
  3. Step 3: Cross multiply
    3,845.96x = 5,769.02 × 1,380.94
  4. Step 4: Simplify right side
    3,845.96x = 7,966,670.48
  5. Step 5: Solve for x
    x = 7,966,670.48/3,845.96
  6. Step 6: Final answer
    x = 2,071.44

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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.