Home / 3,418.54-5,124.74-1,226.76

Finding the Fourth Proportional to 3,418.54, 5,124.74 and 1,226.76

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Solution

The fourth proportional to 3,418.54, 5,124.74 and 1,226.76 is: 1,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.54 : 5,124.74 = 1,226.76 : x
  2. Step 2: Convert to fraction form
    3,418.54/5,124.74 = 1,226.76/x
  3. Step 3: Cross multiply
    3,418.54x = 5,124.74 × 1,226.76
  4. Step 4: Simplify right side
    3,418.54x = 6,286,794.28
  5. Step 5: Solve for x
    x = 6,286,794.28/3,418.54
  6. Step 6: Final answer
    x = 1,839.03

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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.