Home / 3,633.10-5,013.59-2,039.78

Finding the Fourth Proportional to 3,633.10, 5,013.59 and 2,039.78

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Solution

The fourth proportional to 3,633.10, 5,013.59 and 2,039.78 is: 2,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.10 : 5,013.59 = 2,039.78 : x
  2. Step 2: Convert to fraction form
    3,633.10/5,013.59 = 2,039.78/x
  3. Step 3: Cross multiply
    3,633.10x = 5,013.59 × 2,039.78
  4. Step 4: Simplify right side
    3,633.10x = 10,226,622.95
  5. Step 5: Solve for x
    x = 10,226,622.95/3,633.10
  6. Step 6: Final answer
    x = 2,814.85

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1.5x scale

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.