Home / 2,824.85-3,894.21-1,982.93

Finding the Fourth Proportional to 2,824.85, 3,894.21 and 1,982.93

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Solution

The fourth proportional to 2,824.85, 3,894.21 and 1,982.93 is: 2,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.85 : 3,894.21 = 1,982.93 : x
  2. Step 2: Convert to fraction form
    2,824.85/3,894.21 = 1,982.93/x
  3. Step 3: Cross multiply
    2,824.85x = 3,894.21 × 1,982.93
  4. Step 4: Simplify right side
    2,824.85x = 7,721,945.84
  5. Step 5: Solve for x
    x = 7,721,945.84/2,824.85
  6. Step 6: Final answer
    x = 2,733.58

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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.