Home / 2,116.02-3,169.17-1,994.52

Finding the Fourth Proportional to 2,116.02, 3,169.17 and 1,994.52

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Solution

The fourth proportional to 2,116.02, 3,169.17 and 1,994.52 is: 2,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.02 : 3,169.17 = 1,994.52 : x
  2. Step 2: Convert to fraction form
    2,116.02/3,169.17 = 1,994.52/x
  3. Step 3: Cross multiply
    2,116.02x = 3,169.17 × 1,994.52
  4. Step 4: Simplify right side
    2,116.02x = 6,320,972.95
  5. Step 5: Solve for x
    x = 6,320,972.95/2,116.02
  6. Step 6: Final answer
    x = 2,987.20

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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.