Home / 2,912.30-4,365.71-1,450.07

Finding the Fourth Proportional to 2,912.30, 4,365.71 and 1,450.07

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Solution

The fourth proportional to 2,912.30, 4,365.71 and 1,450.07 is: 2,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.30 : 4,365.71 = 1,450.07 : x
  2. Step 2: Convert to fraction form
    2,912.30/4,365.71 = 1,450.07/x
  3. Step 3: Cross multiply
    2,912.30x = 4,365.71 × 1,450.07
  4. Step 4: Simplify right side
    2,912.30x = 6,330,577.85
  5. Step 5: Solve for x
    x = 6,330,577.85/2,912.30
  6. Step 6: Final answer
    x = 2,173.74

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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.