Home / 3,877.72-5,354.94-2,633.56

Finding the Fourth Proportional to 3,877.72, 5,354.94 and 2,633.56

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Solution

The fourth proportional to 3,877.72, 5,354.94 and 2,633.56 is: 3,636.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.72 : 5,354.94 = 2,633.56 : x
  2. Step 2: Convert to fraction form
    3,877.72/5,354.94 = 2,633.56/x
  3. Step 3: Cross multiply
    3,877.72x = 5,354.94 × 2,633.56
  4. Step 4: Simplify right side
    3,877.72x = 14,102,555.79
  5. Step 5: Solve for x
    x = 14,102,555.79/3,877.72
  6. Step 6: Final answer
    x = 3,636.82

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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.