Home / 2,943.90-4,416.98-1,299.28

Finding the Fourth Proportional to 2,943.90, 4,416.98 and 1,299.28

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Solution

The fourth proportional to 2,943.90, 4,416.98 and 1,299.28 is: 1,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.90 : 4,416.98 = 1,299.28 : x
  2. Step 2: Convert to fraction form
    2,943.90/4,416.98 = 1,299.28/x
  3. Step 3: Cross multiply
    2,943.90x = 4,416.98 × 1,299.28
  4. Step 4: Simplify right side
    2,943.90x = 5,738,887.28
  5. Step 5: Solve for x
    x = 5,738,887.28/2,943.90
  6. Step 6: Final answer
    x = 1,949.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.