Home / 3,821.46-5,723.72-2,937.45

Finding the Fourth Proportional to 3,821.46, 5,723.72 and 2,937.45

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Solution

The fourth proportional to 3,821.46, 5,723.72 and 2,937.45 is: 4,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.46 : 5,723.72 = 2,937.45 : x
  2. Step 2: Convert to fraction form
    3,821.46/5,723.72 = 2,937.45/x
  3. Step 3: Cross multiply
    3,821.46x = 5,723.72 × 2,937.45
  4. Step 4: Simplify right side
    3,821.46x = 16,813,126.63
  5. Step 5: Solve for x
    x = 16,813,126.63/3,821.46
  6. Step 6: Final answer
    x = 4,399.66

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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.