Home / 3,280.43-4,526.95-1,788.27

Finding the Fourth Proportional to 3,280.43, 4,526.95 and 1,788.27

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Solution

The fourth proportional to 3,280.43, 4,526.95 and 1,788.27 is: 2,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.43 : 4,526.95 = 1,788.27 : x
  2. Step 2: Convert to fraction form
    3,280.43/4,526.95 = 1,788.27/x
  3. Step 3: Cross multiply
    3,280.43x = 4,526.95 × 1,788.27
  4. Step 4: Simplify right side
    3,280.43x = 8,095,408.88
  5. Step 5: Solve for x
    x = 8,095,408.88/3,280.43
  6. Step 6: Final answer
    x = 2,467.79

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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.