Home / 2,828.17-4,243.67-1,269.29

Finding the Fourth Proportional to 2,828.17, 4,243.67 and 1,269.29

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Solution

The fourth proportional to 2,828.17, 4,243.67 and 1,269.29 is: 1,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.17 : 4,243.67 = 1,269.29 : x
  2. Step 2: Convert to fraction form
    2,828.17/4,243.67 = 1,269.29/x
  3. Step 3: Cross multiply
    2,828.17x = 4,243.67 × 1,269.29
  4. Step 4: Simplify right side
    2,828.17x = 5,386,441.00
  5. Step 5: Solve for x
    x = 5,386,441.00/2,828.17
  6. Step 6: Final answer
    x = 1,904.57

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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.