Home / 2,573.40-3,858.10-2,133.30

Finding the Fourth Proportional to 2,573.40, 3,858.10 and 2,133.30

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Solution

The fourth proportional to 2,573.40, 3,858.10 and 2,133.30 is: 3,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.40 : 3,858.10 = 2,133.30 : x
  2. Step 2: Convert to fraction form
    2,573.40/3,858.10 = 2,133.30/x
  3. Step 3: Cross multiply
    2,573.40x = 3,858.10 × 2,133.30
  4. Step 4: Simplify right side
    2,573.40x = 8,230,484.73
  5. Step 5: Solve for x
    x = 8,230,484.73/2,573.40
  6. Step 6: Final answer
    x = 3,198.29

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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.