Home / 1,957.77-2,911.46-1,896.26

Finding the Fourth Proportional to 1,957.77, 2,911.46 and 1,896.26

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Solution

The fourth proportional to 1,957.77, 2,911.46 and 1,896.26 is: 2,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.77 : 2,911.46 = 1,896.26 : x
  2. Step 2: Convert to fraction form
    1,957.77/2,911.46 = 1,896.26/x
  3. Step 3: Cross multiply
    1,957.77x = 2,911.46 × 1,896.26
  4. Step 4: Simplify right side
    1,957.77x = 5,520,861.10
  5. Step 5: Solve for x
    x = 5,520,861.10/1,957.77
  6. Step 6: Final answer
    x = 2,819.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.