Home / 3,378.26-4,661.43-1,886.12

Finding the Fourth Proportional to 3,378.26, 4,661.43 and 1,886.12

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Solution

The fourth proportional to 3,378.26, 4,661.43 and 1,886.12 is: 2,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.26 : 4,661.43 = 1,886.12 : x
  2. Step 2: Convert to fraction form
    3,378.26/4,661.43 = 1,886.12/x
  3. Step 3: Cross multiply
    3,378.26x = 4,661.43 × 1,886.12
  4. Step 4: Simplify right side
    3,378.26x = 8,792,016.35
  5. Step 5: Solve for x
    x = 8,792,016.35/3,378.26
  6. Step 6: Final answer
    x = 2,602.53

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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.