Home / 3,190.23-4,787.19-1,242.27

Finding the Fourth Proportional to 3,190.23, 4,787.19 and 1,242.27

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Solution

The fourth proportional to 3,190.23, 4,787.19 and 1,242.27 is: 1,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.23 : 4,787.19 = 1,242.27 : x
  2. Step 2: Convert to fraction form
    3,190.23/4,787.19 = 1,242.27/x
  3. Step 3: Cross multiply
    3,190.23x = 4,787.19 × 1,242.27
  4. Step 4: Simplify right side
    3,190.23x = 5,946,982.52
  5. Step 5: Solve for x
    x = 5,946,982.52/3,190.23
  6. Step 6: Final answer
    x = 1,864.12

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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.