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Finding the Fourth Proportional to 2,223.62, 3,069.42 and 1,339.42

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Solution

The fourth proportional to 2,223.62, 3,069.42 and 1,339.42 is: 1,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.62 : 3,069.42 = 1,339.42 : x
  2. Step 2: Convert to fraction form
    2,223.62/3,069.42 = 1,339.42/x
  3. Step 3: Cross multiply
    2,223.62x = 3,069.42 × 1,339.42
  4. Step 4: Simplify right side
    2,223.62x = 4,111,242.54
  5. Step 5: Solve for x
    x = 4,111,242.54/2,223.62
  6. Step 6: Final answer
    x = 1,848.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.