Home / 3,156.28-4,735.14-1,771

Finding the Fourth Proportional to 3,156.28, 4,735.14 and 1,771

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Solution

The fourth proportional to 3,156.28, 4,735.14 and 1,771 is: 2,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.28 : 4,735.14 = 1,771 : x
  2. Step 2: Convert to fraction form
    3,156.28/4,735.14 = 1,771/x
  3. Step 3: Cross multiply
    3,156.28x = 4,735.14 × 1,771
  4. Step 4: Simplify right side
    3,156.28x = 8,385,932.94
  5. Step 5: Solve for x
    x = 8,385,932.94/3,156.28
  6. Step 6: Final answer
    x = 2,656.90

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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.