Home / 2,823.80-4,235.70-1,844.60

Finding the Fourth Proportional to 2,823.80, 4,235.70 and 1,844.60

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Solution

The fourth proportional to 2,823.80, 4,235.70 and 1,844.60 is: 2,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.80 : 4,235.70 = 1,844.60 : x
  2. Step 2: Convert to fraction form
    2,823.80/4,235.70 = 1,844.60/x
  3. Step 3: Cross multiply
    2,823.80x = 4,235.70 × 1,844.60
  4. Step 4: Simplify right side
    2,823.80x = 7,813,172.22
  5. Step 5: Solve for x
    x = 7,813,172.22/2,823.80
  6. Step 6: Final answer
    x = 2,766.90

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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.