Home / 2,778.79-4,172.96-2,467.14

Finding the Fourth Proportional to 2,778.79, 4,172.96 and 2,467.14

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Solution

The fourth proportional to 2,778.79, 4,172.96 and 2,467.14 is: 3,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.79 : 4,172.96 = 2,467.14 : x
  2. Step 2: Convert to fraction form
    2,778.79/4,172.96 = 2,467.14/x
  3. Step 3: Cross multiply
    2,778.79x = 4,172.96 × 2,467.14
  4. Step 4: Simplify right side
    2,778.79x = 10,295,276.53
  5. Step 5: Solve for x
    x = 10,295,276.53/2,778.79
  6. Step 6: Final answer
    x = 3,704.95

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1.5x scale

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.