Home / 1,994.18-2,752.14-1,208.22

Finding the Fourth Proportional to 1,994.18, 2,752.14 and 1,208.22

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Solution

The fourth proportional to 1,994.18, 2,752.14 and 1,208.22 is: 1,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.18 : 2,752.14 = 1,208.22 : x
  2. Step 2: Convert to fraction form
    1,994.18/2,752.14 = 1,208.22/x
  3. Step 3: Cross multiply
    1,994.18x = 2,752.14 × 1,208.22
  4. Step 4: Simplify right side
    1,994.18x = 3,325,190.59
  5. Step 5: Solve for x
    x = 3,325,190.59/1,994.18
  6. Step 6: Final answer
    x = 1,667.45

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1.5x scale

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.