Home / 2,869.67-4,305.26-2,286.87

Finding the Fourth Proportional to 2,869.67, 4,305.26 and 2,286.87

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Solution

The fourth proportional to 2,869.67, 4,305.26 and 2,286.87 is: 3,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.67 : 4,305.26 = 2,286.87 : x
  2. Step 2: Convert to fraction form
    2,869.67/4,305.26 = 2,286.87/x
  3. Step 3: Cross multiply
    2,869.67x = 4,305.26 × 2,286.87
  4. Step 4: Simplify right side
    2,869.67x = 9,845,580.89
  5. Step 5: Solve for x
    x = 9,845,580.89/2,869.67
  6. Step 6: Final answer
    x = 3,430.92

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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.