Home / 2,789.28-3,847.34-1,795.82

Finding the Fourth Proportional to 2,789.28, 3,847.34 and 1,795.82

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Solution

The fourth proportional to 2,789.28, 3,847.34 and 1,795.82 is: 2,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.28 : 3,847.34 = 1,795.82 : x
  2. Step 2: Convert to fraction form
    2,789.28/3,847.34 = 1,795.82/x
  3. Step 3: Cross multiply
    2,789.28x = 3,847.34 × 1,795.82
  4. Step 4: Simplify right side
    2,789.28x = 6,909,130.12
  5. Step 5: Solve for x
    x = 6,909,130.12/2,789.28
  6. Step 6: Final answer
    x = 2,477.03

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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.