Home / 2,912.06-4,368.78-964.27

Finding the Fourth Proportional to 2,912.06, 4,368.78 and 964.27

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Solution

The fourth proportional to 2,912.06, 4,368.78 and 964.27 is: 1,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.06 : 4,368.78 = 964.27 : x
  2. Step 2: Convert to fraction form
    2,912.06/4,368.78 = 964.27/x
  3. Step 3: Cross multiply
    2,912.06x = 4,368.78 × 964.27
  4. Step 4: Simplify right side
    2,912.06x = 4,212,688.95
  5. Step 5: Solve for x
    x = 4,212,688.95/2,912.06
  6. Step 6: Final answer
    x = 1,446.63

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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.