Home / 3,756.83-5,633.42-2,153.79

Finding the Fourth Proportional to 3,756.83, 5,633.42 and 2,153.79

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Solution

The fourth proportional to 3,756.83, 5,633.42 and 2,153.79 is: 3,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.83 : 5,633.42 = 2,153.79 : x
  2. Step 2: Convert to fraction form
    3,756.83/5,633.42 = 2,153.79/x
  3. Step 3: Cross multiply
    3,756.83x = 5,633.42 × 2,153.79
  4. Step 4: Simplify right side
    3,756.83x = 12,133,192.89
  5. Step 5: Solve for x
    x = 12,133,192.89/3,756.83
  6. Step 6: Final answer
    x = 3,229.64

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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.