Home / 3,638.56-5,008.80-2,752.96

Finding the Fourth Proportional to 3,638.56, 5,008.80 and 2,752.96

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Solution

The fourth proportional to 3,638.56, 5,008.80 and 2,752.96 is: 3,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.56 : 5,008.80 = 2,752.96 : x
  2. Step 2: Convert to fraction form
    3,638.56/5,008.80 = 2,752.96/x
  3. Step 3: Cross multiply
    3,638.56x = 5,008.80 × 2,752.96
  4. Step 4: Simplify right side
    3,638.56x = 13,789,026.05
  5. Step 5: Solve for x
    x = 13,789,026.05/3,638.56
  6. Step 6: Final answer
    x = 3,789.69

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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.