Home / 1,997.23-2,991.48-1,646.63

Finding the Fourth Proportional to 1,997.23, 2,991.48 and 1,646.63

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Solution

The fourth proportional to 1,997.23, 2,991.48 and 1,646.63 is: 2,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.23 : 2,991.48 = 1,646.63 : x
  2. Step 2: Convert to fraction form
    1,997.23/2,991.48 = 1,646.63/x
  3. Step 3: Cross multiply
    1,997.23x = 2,991.48 × 1,646.63
  4. Step 4: Simplify right side
    1,997.23x = 4,925,845.76
  5. Step 5: Solve for x
    x = 4,925,845.76/1,997.23
  6. Step 6: Final answer
    x = 2,466.34

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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.