Home / 2,116.84-3,179.02-1,844.68

Finding the Fourth Proportional to 2,116.84, 3,179.02 and 1,844.68

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Solution

The fourth proportional to 2,116.84, 3,179.02 and 1,844.68 is: 2,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.84 : 3,179.02 = 1,844.68 : x
  2. Step 2: Convert to fraction form
    2,116.84/3,179.02 = 1,844.68/x
  3. Step 3: Cross multiply
    2,116.84x = 3,179.02 × 1,844.68
  4. Step 4: Simplify right side
    2,116.84x = 5,864,274.61
  5. Step 5: Solve for x
    x = 5,864,274.61/2,116.84
  6. Step 6: Final answer
    x = 2,770.30

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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.