Home / 3,849.53-5,311.36-2,356.90

Finding the Fourth Proportional to 3,849.53, 5,311.36 and 2,356.90

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Solution

The fourth proportional to 3,849.53, 5,311.36 and 2,356.90 is: 3,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.53 : 5,311.36 = 2,356.90 : x
  2. Step 2: Convert to fraction form
    3,849.53/5,311.36 = 2,356.90/x
  3. Step 3: Cross multiply
    3,849.53x = 5,311.36 × 2,356.90
  4. Step 4: Simplify right side
    3,849.53x = 12,518,325.21
  5. Step 5: Solve for x
    x = 12,518,325.21/3,849.53
  6. Step 6: Final answer
    x = 3,251.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.