Home / 1,945.53-2,912.58-1,512.99

Finding the Fourth Proportional to 1,945.53, 2,912.58 and 1,512.99

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Solution

The fourth proportional to 1,945.53, 2,912.58 and 1,512.99 is: 2,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.53 : 2,912.58 = 1,512.99 : x
  2. Step 2: Convert to fraction form
    1,945.53/2,912.58 = 1,512.99/x
  3. Step 3: Cross multiply
    1,945.53x = 2,912.58 × 1,512.99
  4. Step 4: Simplify right side
    1,945.53x = 4,406,704.41
  5. Step 5: Solve for x
    x = 4,406,704.41/1,945.53
  6. Step 6: Final answer
    x = 2,265.04

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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.