Home / 2,174.28-3,261.34-2,035.90

Finding the Fourth Proportional to 2,174.28, 3,261.34 and 2,035.90

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Solution

The fourth proportional to 2,174.28, 3,261.34 and 2,035.90 is: 3,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.28 : 3,261.34 = 2,035.90 : x
  2. Step 2: Convert to fraction form
    2,174.28/3,261.34 = 2,035.90/x
  3. Step 3: Cross multiply
    2,174.28x = 3,261.34 × 2,035.90
  4. Step 4: Simplify right side
    2,174.28x = 6,639,762.11
  5. Step 5: Solve for x
    x = 6,639,762.11/2,174.28
  6. Step 6: Final answer
    x = 3,053.78

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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.