Home / 3,255.40-4,880.22-2,940.52

Finding the Fourth Proportional to 3,255.40, 4,880.22 and 2,940.52

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Solution

The fourth proportional to 3,255.40, 4,880.22 and 2,940.52 is: 4,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.40 : 4,880.22 = 2,940.52 : x
  2. Step 2: Convert to fraction form
    3,255.40/4,880.22 = 2,940.52/x
  3. Step 3: Cross multiply
    3,255.40x = 4,880.22 × 2,940.52
  4. Step 4: Simplify right side
    3,255.40x = 14,350,384.51
  5. Step 5: Solve for x
    x = 14,350,384.51/3,255.40
  6. Step 6: Final answer
    x = 4,408.18

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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.