Home / 3,768.90-5,198.67-3,024.60

Finding the Fourth Proportional to 3,768.90, 5,198.67 and 3,024.60

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Solution

The fourth proportional to 3,768.90, 5,198.67 and 3,024.60 is: 4,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.90 : 5,198.67 = 3,024.60 : x
  2. Step 2: Convert to fraction form
    3,768.90/5,198.67 = 3,024.60/x
  3. Step 3: Cross multiply
    3,768.90x = 5,198.67 × 3,024.60
  4. Step 4: Simplify right side
    3,768.90x = 15,723,897.28
  5. Step 5: Solve for x
    x = 15,723,897.28/3,768.90
  6. Step 6: Final answer
    x = 4,172.01

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1.5x scale

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.