Home / 3,280.43-4,526.82-1,788.33

Finding the Fourth Proportional to 3,280.43, 4,526.82 and 1,788.33

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Solution

The fourth proportional to 3,280.43, 4,526.82 and 1,788.33 is: 2,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.43 : 4,526.82 = 1,788.33 : x
  2. Step 2: Convert to fraction form
    3,280.43/4,526.82 = 1,788.33/x
  3. Step 3: Cross multiply
    3,280.43x = 4,526.82 × 1,788.33
  4. Step 4: Simplify right side
    3,280.43x = 8,095,448.01
  5. Step 5: Solve for x
    x = 8,095,448.01/3,280.43
  6. Step 6: Final answer
    x = 2,467.80

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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.