Home / 1,994.93-2,752.96-1,249.30

Finding the Fourth Proportional to 1,994.93, 2,752.96 and 1,249.30

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Solution

The fourth proportional to 1,994.93, 2,752.96 and 1,249.30 is: 1,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.93 : 2,752.96 = 1,249.30 : x
  2. Step 2: Convert to fraction form
    1,994.93/2,752.96 = 1,249.30/x
  3. Step 3: Cross multiply
    1,994.93x = 2,752.96 × 1,249.30
  4. Step 4: Simplify right side
    1,994.93x = 3,439,272.93
  5. Step 5: Solve for x
    x = 3,439,272.93/1,994.93
  6. Step 6: Final answer
    x = 1,724.01

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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.