Home / 3,774.42-5,662.44-1,142.13

Finding the Fourth Proportional to 3,774.42, 5,662.44 and 1,142.13

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Solution

The fourth proportional to 3,774.42, 5,662.44 and 1,142.13 is: 1,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.42 : 5,662.44 = 1,142.13 : x
  2. Step 2: Convert to fraction form
    3,774.42/5,662.44 = 1,142.13/x
  3. Step 3: Cross multiply
    3,774.42x = 5,662.44 × 1,142.13
  4. Step 4: Simplify right side
    3,774.42x = 6,467,242.60
  5. Step 5: Solve for x
    x = 6,467,242.60/3,774.42
  6. Step 6: Final answer
    x = 1,713.44

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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.