Home / 2,674.34-4,009.07-1,212.69

Finding the Fourth Proportional to 2,674.34, 4,009.07 and 1,212.69

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Solution

The fourth proportional to 2,674.34, 4,009.07 and 1,212.69 is: 1,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.34 : 4,009.07 = 1,212.69 : x
  2. Step 2: Convert to fraction form
    2,674.34/4,009.07 = 1,212.69/x
  3. Step 3: Cross multiply
    2,674.34x = 4,009.07 × 1,212.69
  4. Step 4: Simplify right side
    2,674.34x = 4,861,753.03
  5. Step 5: Solve for x
    x = 4,861,753.03/2,674.34
  6. Step 6: Final answer
    x = 1,817.93

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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.