Home / 3,378.54-5,072.55-1,736.28

Finding the Fourth Proportional to 3,378.54, 5,072.55 and 1,736.28

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Solution

The fourth proportional to 3,378.54, 5,072.55 and 1,736.28 is: 2,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.54 : 5,072.55 = 1,736.28 : x
  2. Step 2: Convert to fraction form
    3,378.54/5,072.55 = 1,736.28/x
  3. Step 3: Cross multiply
    3,378.54x = 5,072.55 × 1,736.28
  4. Step 4: Simplify right side
    3,378.54x = 8,807,367.11
  5. Step 5: Solve for x
    x = 8,807,367.11/3,378.54
  6. Step 6: Final answer
    x = 2,606.86

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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.