Home / 2,639.44-3,647.24-2,511.33

Finding the Fourth Proportional to 2,639.44, 3,647.24 and 2,511.33

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Solution

The fourth proportional to 2,639.44, 3,647.24 and 2,511.33 is: 3,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.44 : 3,647.24 = 2,511.33 : x
  2. Step 2: Convert to fraction form
    2,639.44/3,647.24 = 2,511.33/x
  3. Step 3: Cross multiply
    2,639.44x = 3,647.24 × 2,511.33
  4. Step 4: Simplify right side
    2,639.44x = 9,159,423.23
  5. Step 5: Solve for x
    x = 9,159,423.23/2,639.44
  6. Step 6: Final answer
    x = 3,470.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.