Home / 1,994.66-2,752.98-1,298.06

Finding the Fourth Proportional to 1,994.66, 2,752.98 and 1,298.06

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Solution

The fourth proportional to 1,994.66, 2,752.98 and 1,298.06 is: 1,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.66 : 2,752.98 = 1,298.06 : x
  2. Step 2: Convert to fraction form
    1,994.66/2,752.98 = 1,298.06/x
  3. Step 3: Cross multiply
    1,994.66x = 2,752.98 × 1,298.06
  4. Step 4: Simplify right side
    1,994.66x = 3,573,533.22
  5. Step 5: Solve for x
    x = 3,573,533.22/1,994.66
  6. Step 6: Final answer
    x = 1,791.55

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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.