Home / 2,862.02-3,949.52-1,683.17

Finding the Fourth Proportional to 2,862.02, 3,949.52 and 1,683.17

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Solution

The fourth proportional to 2,862.02, 3,949.52 and 1,683.17 is: 2,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.02 : 3,949.52 = 1,683.17 : x
  2. Step 2: Convert to fraction form
    2,862.02/3,949.52 = 1,683.17/x
  3. Step 3: Cross multiply
    2,862.02x = 3,949.52 × 1,683.17
  4. Step 4: Simplify right side
    2,862.02x = 6,647,713.58
  5. Step 5: Solve for x
    x = 6,647,713.58/2,862.02
  6. Step 6: Final answer
    x = 2,322.73

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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.