Home / 2,621.97-3,617.06-1,628.40

Finding the Fourth Proportional to 2,621.97, 3,617.06 and 1,628.40

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Solution

The fourth proportional to 2,621.97, 3,617.06 and 1,628.40 is: 2,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.97 : 3,617.06 = 1,628.40 : x
  2. Step 2: Convert to fraction form
    2,621.97/3,617.06 = 1,628.40/x
  3. Step 3: Cross multiply
    2,621.97x = 3,617.06 × 1,628.40
  4. Step 4: Simplify right side
    2,621.97x = 5,890,025.93
  5. Step 5: Solve for x
    x = 5,890,025.93/2,621.97
  6. Step 6: Final answer
    x = 2,246.41

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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.