Home / 3,156.44-4,734.45-1,306.87

Finding the Fourth Proportional to 3,156.44, 4,734.45 and 1,306.87

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Solution

The fourth proportional to 3,156.44, 4,734.45 and 1,306.87 is: 1,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.44 : 4,734.45 = 1,306.87 : x
  2. Step 2: Convert to fraction form
    3,156.44/4,734.45 = 1,306.87/x
  3. Step 3: Cross multiply
    3,156.44x = 4,734.45 × 1,306.87
  4. Step 4: Simplify right side
    3,156.44x = 6,187,298.84
  5. Step 5: Solve for x
    x = 6,187,298.84/3,156.44
  6. Step 6: Final answer
    x = 1,960.22

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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.