Home / 3,190.26-4,787.40-1,458.92

Finding the Fourth Proportional to 3,190.26, 4,787.40 and 1,458.92

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Solution

The fourth proportional to 3,190.26, 4,787.40 and 1,458.92 is: 2,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.26 : 4,787.40 = 1,458.92 : x
  2. Step 2: Convert to fraction form
    3,190.26/4,787.40 = 1,458.92/x
  3. Step 3: Cross multiply
    3,190.26x = 4,787.40 × 1,458.92
  4. Step 4: Simplify right side
    3,190.26x = 6,984,433.61
  5. Step 5: Solve for x
    x = 6,984,433.61/3,190.26
  6. Step 6: Final answer
    x = 2,189.30

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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.