Home / 2,763.70-4,145.55-2,216.95

Finding the Fourth Proportional to 2,763.70, 4,145.55 and 2,216.95

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Solution

The fourth proportional to 2,763.70, 4,145.55 and 2,216.95 is: 3,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.70 : 4,145.55 = 2,216.95 : x
  2. Step 2: Convert to fraction form
    2,763.70/4,145.55 = 2,216.95/x
  3. Step 3: Cross multiply
    2,763.70x = 4,145.55 × 2,216.95
  4. Step 4: Simplify right side
    2,763.70x = 9,190,477.07
  5. Step 5: Solve for x
    x = 9,190,477.07/2,763.70
  6. Step 6: Final answer
    x = 3,325.43

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1.5x scale

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.