Home / 3,085.97-4,627.80-1,914.23

Finding the Fourth Proportional to 3,085.97, 4,627.80 and 1,914.23

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Solution

The fourth proportional to 3,085.97, 4,627.80 and 1,914.23 is: 2,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.97 : 4,627.80 = 1,914.23 : x
  2. Step 2: Convert to fraction form
    3,085.97/4,627.80 = 1,914.23/x
  3. Step 3: Cross multiply
    3,085.97x = 4,627.80 × 1,914.23
  4. Step 4: Simplify right side
    3,085.97x = 8,858,685.16
  5. Step 5: Solve for x
    x = 8,858,685.16/3,085.97
  6. Step 6: Final answer
    x = 2,870.64

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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.