Home / 1,943.36-2,916.16-1,163.60

Finding the Fourth Proportional to 1,943.36, 2,916.16 and 1,163.60

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Solution

The fourth proportional to 1,943.36, 2,916.16 and 1,163.60 is: 1,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.36 : 2,916.16 = 1,163.60 : x
  2. Step 2: Convert to fraction form
    1,943.36/2,916.16 = 1,163.60/x
  3. Step 3: Cross multiply
    1,943.36x = 2,916.16 × 1,163.60
  4. Step 4: Simplify right side
    1,943.36x = 3,393,243.78
  5. Step 5: Solve for x
    x = 3,393,243.78/1,943.36
  6. Step 6: Final answer
    x = 1,746.07

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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.