Home / 1,995.35-2,749.20-1,489.06

Finding the Fourth Proportional to 1,995.35, 2,749.20 and 1,489.06

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Solution

The fourth proportional to 1,995.35, 2,749.20 and 1,489.06 is: 2,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.35 : 2,749.20 = 1,489.06 : x
  2. Step 2: Convert to fraction form
    1,995.35/2,749.20 = 1,489.06/x
  3. Step 3: Cross multiply
    1,995.35x = 2,749.20 × 1,489.06
  4. Step 4: Simplify right side
    1,995.35x = 4,093,710.01
  5. Step 5: Solve for x
    x = 4,093,710.01/1,995.35
  6. Step 6: Final answer
    x = 2,051.63

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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.