Home / 1,995-2,748.33-1,620.96

Finding the Fourth Proportional to 1,995, 2,748.33 and 1,620.96

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Solution

The fourth proportional to 1,995, 2,748.33 and 1,620.96 is: 2,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995 : 2,748.33 = 1,620.96 : x
  2. Step 2: Convert to fraction form
    1,995/2,748.33 = 1,620.96/x
  3. Step 3: Cross multiply
    1,995x = 2,748.33 × 1,620.96
  4. Step 4: Simplify right side
    1,995x = 4,454,933.00
  5. Step 5: Solve for x
    x = 4,454,933.00/1,995
  6. Step 6: Final answer
    x = 2,233.05

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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.