Home / 2,828.39-4,241.09-1,658.75

Finding the Fourth Proportional to 2,828.39, 4,241.09 and 1,658.75

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Solution

The fourth proportional to 2,828.39, 4,241.09 and 1,658.75 is: 2,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.39 : 4,241.09 = 1,658.75 : x
  2. Step 2: Convert to fraction form
    2,828.39/4,241.09 = 1,658.75/x
  3. Step 3: Cross multiply
    2,828.39x = 4,241.09 × 1,658.75
  4. Step 4: Simplify right side
    2,828.39x = 7,034,890.98
  5. Step 5: Solve for x
    x = 7,034,890.98/2,828.39
  6. Step 6: Final answer
    x = 2,487.25

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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.