Home / 3,235.40-4,845.81-1,934.15

Finding the Fourth Proportional to 3,235.40, 4,845.81 and 1,934.15

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Solution

The fourth proportional to 3,235.40, 4,845.81 and 1,934.15 is: 2,896.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.40 : 4,845.81 = 1,934.15 : x
  2. Step 2: Convert to fraction form
    3,235.40/4,845.81 = 1,934.15/x
  3. Step 3: Cross multiply
    3,235.40x = 4,845.81 × 1,934.15
  4. Step 4: Simplify right side
    3,235.40x = 9,372,523.41
  5. Step 5: Solve for x
    x = 9,372,523.41/3,235.40
  6. Step 6: Final answer
    x = 2,896.87

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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.