Home / 3,819.67-5,271.37-2,141.00

Finding the Fourth Proportional to 3,819.67, 5,271.37 and 2,141.00

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Solution

The fourth proportional to 3,819.67, 5,271.37 and 2,141.00 is: 2,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.67 : 5,271.37 = 2,141.00 : x
  2. Step 2: Convert to fraction form
    3,819.67/5,271.37 = 2,141.00/x
  3. Step 3: Cross multiply
    3,819.67x = 5,271.37 × 2,141.00
  4. Step 4: Simplify right side
    3,819.67x = 11,285,966.11
  5. Step 5: Solve for x
    x = 11,285,966.11/3,819.67
  6. Step 6: Final answer
    x = 2,954.70

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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.