Home / 1,823.94-2,735.91-1,211.55

Finding the Fourth Proportional to 1,823.94, 2,735.91 and 1,211.55

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Solution

The fourth proportional to 1,823.94, 2,735.91 and 1,211.55 is: 1,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.94 : 2,735.91 = 1,211.55 : x
  2. Step 2: Convert to fraction form
    1,823.94/2,735.91 = 1,211.55/x
  3. Step 3: Cross multiply
    1,823.94x = 2,735.91 × 1,211.55
  4. Step 4: Simplify right side
    1,823.94x = 3,314,691.76
  5. Step 5: Solve for x
    x = 3,314,691.76/1,823.94
  6. Step 6: Final answer
    x = 1,817.33

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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.