Home / 2,763.15-4,143.42-1,118.44

Finding the Fourth Proportional to 2,763.15, 4,143.42 and 1,118.44

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Solution

The fourth proportional to 2,763.15, 4,143.42 and 1,118.44 is: 1,677.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.15 : 4,143.42 = 1,118.44 : x
  2. Step 2: Convert to fraction form
    2,763.15/4,143.42 = 1,118.44/x
  3. Step 3: Cross multiply
    2,763.15x = 4,143.42 × 1,118.44
  4. Step 4: Simplify right side
    2,763.15x = 4,634,171.84
  5. Step 5: Solve for x
    x = 4,634,171.84/2,763.15
  6. Step 6: Final answer
    x = 1,677.14

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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.