Home / 2,270.92-3,406.40-1,174.72

Finding the Fourth Proportional to 2,270.92, 3,406.40 and 1,174.72

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Solution

The fourth proportional to 2,270.92, 3,406.40 and 1,174.72 is: 1,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.92 : 3,406.40 = 1,174.72 : x
  2. Step 2: Convert to fraction form
    2,270.92/3,406.40 = 1,174.72/x
  3. Step 3: Cross multiply
    2,270.92x = 3,406.40 × 1,174.72
  4. Step 4: Simplify right side
    2,270.92x = 4,001,566.21
  5. Step 5: Solve for x
    x = 4,001,566.21/2,270.92
  6. Step 6: Final answer
    x = 1,762.09

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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.