Home / 3,156.22-4,734.41-1,306.84

Finding the Fourth Proportional to 3,156.22, 4,734.41 and 1,306.84

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Solution

The fourth proportional to 3,156.22, 4,734.41 and 1,306.84 is: 1,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.22 : 4,734.41 = 1,306.84 : x
  2. Step 2: Convert to fraction form
    3,156.22/4,734.41 = 1,306.84/x
  3. Step 3: Cross multiply
    3,156.22x = 4,734.41 × 1,306.84
  4. Step 4: Simplify right side
    3,156.22x = 6,187,114.22
  5. Step 5: Solve for x
    x = 6,187,114.22/3,156.22
  6. Step 6: Final answer
    x = 1,960.29

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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.