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Finding the Fourth Proportional to 3,133.97, 4,323.88 and 1,807.49

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Solution

The fourth proportional to 3,133.97, 4,323.88 and 1,807.49 is: 2,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.97 : 4,323.88 = 1,807.49 : x
  2. Step 2: Convert to fraction form
    3,133.97/4,323.88 = 1,807.49/x
  3. Step 3: Cross multiply
    3,133.97x = 4,323.88 × 1,807.49
  4. Step 4: Simplify right side
    3,133.97x = 7,815,369.86
  5. Step 5: Solve for x
    x = 7,815,369.86/3,133.97
  6. Step 6: Final answer
    x = 2,493.76

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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.