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Finding the Fourth Proportional to 2,195.00, 3,028.25 and 1,354.25

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Solution

The fourth proportional to 2,195.00, 3,028.25 and 1,354.25 is: 1,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.00 : 3,028.25 = 1,354.25 : x
  2. Step 2: Convert to fraction form
    2,195.00/3,028.25 = 1,354.25/x
  3. Step 3: Cross multiply
    2,195.00x = 3,028.25 × 1,354.25
  4. Step 4: Simplify right side
    2,195.00x = 4,100,985.65
  5. Step 5: Solve for x
    x = 4,100,985.65/2,195.00
  6. Step 6: Final answer
    x = 1,868.33

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1.5x scale

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.