Home / 2,799.43-3,863.93-1,621.18

Finding the Fourth Proportional to 2,799.43, 3,863.93 and 1,621.18

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Solution

The fourth proportional to 2,799.43, 3,863.93 and 1,621.18 is: 2,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.43 : 3,863.93 = 1,621.18 : x
  2. Step 2: Convert to fraction form
    2,799.43/3,863.93 = 1,621.18/x
  3. Step 3: Cross multiply
    2,799.43x = 3,863.93 × 1,621.18
  4. Step 4: Simplify right side
    2,799.43x = 6,264,126.04
  5. Step 5: Solve for x
    x = 6,264,126.04/2,799.43
  6. Step 6: Final answer
    x = 2,237.64

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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.