Home / 2,280.69-3,421.44-1,739.61

Finding the Fourth Proportional to 2,280.69, 3,421.44 and 1,739.61

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Solution

The fourth proportional to 2,280.69, 3,421.44 and 1,739.61 is: 2,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.69 : 3,421.44 = 1,739.61 : x
  2. Step 2: Convert to fraction form
    2,280.69/3,421.44 = 1,739.61/x
  3. Step 3: Cross multiply
    2,280.69x = 3,421.44 × 1,739.61
  4. Step 4: Simplify right side
    2,280.69x = 5,951,971.24
  5. Step 5: Solve for x
    x = 5,951,971.24/2,280.69
  6. Step 6: Final answer
    x = 2,609.72

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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.