Home / 3,027.90-4,529.70-2,621.55

Finding the Fourth Proportional to 3,027.90, 4,529.70 and 2,621.55

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Solution

The fourth proportional to 3,027.90, 4,529.70 and 2,621.55 is: 3,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.90 : 4,529.70 = 2,621.55 : x
  2. Step 2: Convert to fraction form
    3,027.90/4,529.70 = 2,621.55/x
  3. Step 3: Cross multiply
    3,027.90x = 4,529.70 × 2,621.55
  4. Step 4: Simplify right side
    3,027.90x = 11,874,835.04
  5. Step 5: Solve for x
    x = 11,874,835.04/3,027.90
  6. Step 6: Final answer
    x = 3,921.81

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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.