Home / 1,994.97-2,752.60-1,239.36

Finding the Fourth Proportional to 1,994.97, 2,752.60 and 1,239.36

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Solution

The fourth proportional to 1,994.97, 2,752.60 and 1,239.36 is: 1,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.97 : 2,752.60 = 1,239.36 : x
  2. Step 2: Convert to fraction form
    1,994.97/2,752.60 = 1,239.36/x
  3. Step 3: Cross multiply
    1,994.97x = 2,752.60 × 1,239.36
  4. Step 4: Simplify right side
    1,994.97x = 3,411,462.34
  5. Step 5: Solve for x
    x = 3,411,462.34/1,994.97
  6. Step 6: Final answer
    x = 1,710.03

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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.