Home / 2,195.09-3,028.82-1,487.51

Finding the Fourth Proportional to 2,195.09, 3,028.82 and 1,487.51

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Solution

The fourth proportional to 2,195.09, 3,028.82 and 1,487.51 is: 2,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.09 : 3,028.82 = 1,487.51 : x
  2. Step 2: Convert to fraction form
    2,195.09/3,028.82 = 1,487.51/x
  3. Step 3: Cross multiply
    2,195.09x = 3,028.82 × 1,487.51
  4. Step 4: Simplify right side
    2,195.09x = 4,505,377.46
  5. Step 5: Solve for x
    x = 4,505,377.46/2,195.09
  6. Step 6: Final answer
    x = 2,052.48

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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.