Home / 3,418.93-5,127.99-1,197.28

Finding the Fourth Proportional to 3,418.93, 5,127.99 and 1,197.28

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Solution

The fourth proportional to 3,418.93, 5,127.99 and 1,197.28 is: 1,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.93 : 5,127.99 = 1,197.28 : x
  2. Step 2: Convert to fraction form
    3,418.93/5,127.99 = 1,197.28/x
  3. Step 3: Cross multiply
    3,418.93x = 5,127.99 × 1,197.28
  4. Step 4: Simplify right side
    3,418.93x = 6,139,639.87
  5. Step 5: Solve for x
    x = 6,139,639.87/3,418.93
  6. Step 6: Final answer
    x = 1,795.78

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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.