Home / 2,862.96-3,949.98-1,684.44

Finding the Fourth Proportional to 2,862.96, 3,949.98 and 1,684.44

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Solution

The fourth proportional to 2,862.96, 3,949.98 and 1,684.44 is: 2,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.96 : 3,949.98 = 1,684.44 : x
  2. Step 2: Convert to fraction form
    2,862.96/3,949.98 = 1,684.44/x
  3. Step 3: Cross multiply
    2,862.96x = 3,949.98 × 1,684.44
  4. Step 4: Simplify right side
    2,862.96x = 6,653,504.31
  5. Step 5: Solve for x
    x = 6,653,504.31/2,862.96
  6. Step 6: Final answer
    x = 2,323.99

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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.