Home / 2,824.61-3,893.64-1,982.95

Finding the Fourth Proportional to 2,824.61, 3,893.64 and 1,982.95

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Solution

The fourth proportional to 2,824.61, 3,893.64 and 1,982.95 is: 2,733.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.61 : 3,893.64 = 1,982.95 : x
  2. Step 2: Convert to fraction form
    2,824.61/3,893.64 = 1,982.95/x
  3. Step 3: Cross multiply
    2,824.61x = 3,893.64 × 1,982.95
  4. Step 4: Simplify right side
    2,824.61x = 7,720,888.48
  5. Step 5: Solve for x
    x = 7,720,888.48/2,824.61
  6. Step 6: Final answer
    x = 2,733.44

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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.