Home / 2,912.46-4,367.88-1,505.58

Finding the Fourth Proportional to 2,912.46, 4,367.88 and 1,505.58

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Solution

The fourth proportional to 2,912.46, 4,367.88 and 1,505.58 is: 2,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.46 : 4,367.88 = 1,505.58 : x
  2. Step 2: Convert to fraction form
    2,912.46/4,367.88 = 1,505.58/x
  3. Step 3: Cross multiply
    2,912.46x = 4,367.88 × 1,505.58
  4. Step 4: Simplify right side
    2,912.46x = 6,576,192.77
  5. Step 5: Solve for x
    x = 6,576,192.77/2,912.46
  6. Step 6: Final answer
    x = 2,257.95

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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.