Home / 3,889.01-5,362.60-2,627.88

Finding the Fourth Proportional to 3,889.01, 5,362.60 and 2,627.88

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Solution

The fourth proportional to 3,889.01, 5,362.60 and 2,627.88 is: 3,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.01 : 5,362.60 = 2,627.88 : x
  2. Step 2: Convert to fraction form
    3,889.01/5,362.60 = 2,627.88/x
  3. Step 3: Cross multiply
    3,889.01x = 5,362.60 × 2,627.88
  4. Step 4: Simplify right side
    3,889.01x = 14,092,269.29
  5. Step 5: Solve for x
    x = 14,092,269.29/3,889.01
  6. Step 6: Final answer
    x = 3,623.61

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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.