Home / 3,255.72-4,880.84-2,637.89

Finding the Fourth Proportional to 3,255.72, 4,880.84 and 2,637.89

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Solution

The fourth proportional to 3,255.72, 4,880.84 and 2,637.89 is: 3,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.72 : 4,880.84 = 2,637.89 : x
  2. Step 2: Convert to fraction form
    3,255.72/4,880.84 = 2,637.89/x
  3. Step 3: Cross multiply
    3,255.72x = 4,880.84 × 2,637.89
  4. Step 4: Simplify right side
    3,255.72x = 12,875,124.63
  5. Step 5: Solve for x
    x = 12,875,124.63/3,255.72
  6. Step 6: Final answer
    x = 3,954.62

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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.