Home / 3,118.95-4,664.66-2,774.70

Finding the Fourth Proportional to 3,118.95, 4,664.66 and 2,774.70

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Solution

The fourth proportional to 3,118.95, 4,664.66 and 2,774.70 is: 4,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.95 : 4,664.66 = 2,774.70 : x
  2. Step 2: Convert to fraction form
    3,118.95/4,664.66 = 2,774.70/x
  3. Step 3: Cross multiply
    3,118.95x = 4,664.66 × 2,774.70
  4. Step 4: Simplify right side
    3,118.95x = 12,943,018.23
  5. Step 5: Solve for x
    x = 12,943,018.23/3,118.95
  6. Step 6: Final answer
    x = 4,149.80

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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.