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Finding the Fourth Proportional to 1,995.14, 2,990.01 and 1,936.01

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Solution

The fourth proportional to 1,995.14, 2,990.01 and 1,936.01 is: 2,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.14 : 2,990.01 = 1,936.01 : x
  2. Step 2: Convert to fraction form
    1,995.14/2,990.01 = 1,936.01/x
  3. Step 3: Cross multiply
    1,995.14x = 2,990.01 × 1,936.01
  4. Step 4: Simplify right side
    1,995.14x = 5,788,689.26
  5. Step 5: Solve for x
    x = 5,788,689.26/1,995.14
  6. Step 6: Final answer
    x = 2,901.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.