Home / 3,156.90-4,734.36-1,076.54

Finding the Fourth Proportional to 3,156.90, 4,734.36 and 1,076.54

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Solution

The fourth proportional to 3,156.90, 4,734.36 and 1,076.54 is: 1,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.90 : 4,734.36 = 1,076.54 : x
  2. Step 2: Convert to fraction form
    3,156.90/4,734.36 = 1,076.54/x
  3. Step 3: Cross multiply
    3,156.90x = 4,734.36 × 1,076.54
  4. Step 4: Simplify right side
    3,156.90x = 5,096,727.91
  5. Step 5: Solve for x
    x = 5,096,727.91/3,156.90
  6. Step 6: Final answer
    x = 1,614.47

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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.