Home / 3,378.44-4,662.09-1,886.06

Finding the Fourth Proportional to 3,378.44, 4,662.09 and 1,886.06

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Solution

The fourth proportional to 3,378.44, 4,662.09 and 1,886.06 is: 2,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.44 : 4,662.09 = 1,886.06 : x
  2. Step 2: Convert to fraction form
    3,378.44/4,662.09 = 1,886.06/x
  3. Step 3: Cross multiply
    3,378.44x = 4,662.09 × 1,886.06
  4. Step 4: Simplify right side
    3,378.44x = 8,792,993.12
  5. Step 5: Solve for x
    x = 8,792,993.12/3,378.44
  6. Step 6: Final answer
    x = 2,602.68

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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.