Home / 1,994.10-2,997.63-1,984.38

Finding the Fourth Proportional to 1,994.10, 2,997.63 and 1,984.38

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Solution

The fourth proportional to 1,994.10, 2,997.63 and 1,984.38 is: 2,983.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.10 : 2,997.63 = 1,984.38 : x
  2. Step 2: Convert to fraction form
    1,994.10/2,997.63 = 1,984.38/x
  3. Step 3: Cross multiply
    1,994.10x = 2,997.63 × 1,984.38
  4. Step 4: Simplify right side
    1,994.10x = 5,948,437.02
  5. Step 5: Solve for x
    x = 5,948,437.02/1,994.10
  6. Step 6: Final answer
    x = 2,983.02

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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.