Home / 1,898.24-2,845.84-1,274.19

Finding the Fourth Proportional to 1,898.24, 2,845.84 and 1,274.19

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Solution

The fourth proportional to 1,898.24, 2,845.84 and 1,274.19 is: 1,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.24 : 2,845.84 = 1,274.19 : x
  2. Step 2: Convert to fraction form
    1,898.24/2,845.84 = 1,274.19/x
  3. Step 3: Cross multiply
    1,898.24x = 2,845.84 × 1,274.19
  4. Step 4: Simplify right side
    1,898.24x = 3,626,140.87
  5. Step 5: Solve for x
    x = 3,626,140.87/1,898.24
  6. Step 6: Final answer
    x = 1,910.26

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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.