Home / 3,819.32-5,271.03-2,141.01

Finding the Fourth Proportional to 3,819.32, 5,271.03 and 2,141.01

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Solution

The fourth proportional to 3,819.32, 5,271.03 and 2,141.01 is: 2,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.32 : 5,271.03 = 2,141.01 : x
  2. Step 2: Convert to fraction form
    3,819.32/5,271.03 = 2,141.01/x
  3. Step 3: Cross multiply
    3,819.32x = 5,271.03 × 2,141.01
  4. Step 4: Simplify right side
    3,819.32x = 11,285,327.94
  5. Step 5: Solve for x
    x = 11,285,327.94/3,819.32
  6. Step 6: Final answer
    x = 2,954.80

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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.