Home / 2,623.18-3,620.97-1,739.28

Finding the Fourth Proportional to 2,623.18, 3,620.97 and 1,739.28

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Solution

The fourth proportional to 2,623.18, 3,620.97 and 1,739.28 is: 2,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.18 : 3,620.97 = 1,739.28 : x
  2. Step 2: Convert to fraction form
    2,623.18/3,620.97 = 1,739.28/x
  3. Step 3: Cross multiply
    2,623.18x = 3,620.97 × 1,739.28
  4. Step 4: Simplify right side
    2,623.18x = 6,297,880.70
  5. Step 5: Solve for x
    x = 6,297,880.70/2,623.18
  6. Step 6: Final answer
    x = 2,400.86

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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.