Home / 2,912.84-4,367.64-1,179.44

Finding the Fourth Proportional to 2,912.84, 4,367.64 and 1,179.44

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Solution

The fourth proportional to 2,912.84, 4,367.64 and 1,179.44 is: 1,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.84 : 4,367.64 = 1,179.44 : x
  2. Step 2: Convert to fraction form
    2,912.84/4,367.64 = 1,179.44/x
  3. Step 3: Cross multiply
    2,912.84x = 4,367.64 × 1,179.44
  4. Step 4: Simplify right side
    2,912.84x = 5,151,369.32
  5. Step 5: Solve for x
    x = 5,151,369.32/2,912.84
  6. Step 6: Final answer
    x = 1,768.50

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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.