Home / 1,943.26-2,914.35-1,393.81

Finding the Fourth Proportional to 1,943.26, 2,914.35 and 1,393.81

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Solution

The fourth proportional to 1,943.26, 2,914.35 and 1,393.81 is: 2,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.26 : 2,914.35 = 1,393.81 : x
  2. Step 2: Convert to fraction form
    1,943.26/2,914.35 = 1,393.81/x
  3. Step 3: Cross multiply
    1,943.26x = 2,914.35 × 1,393.81
  4. Step 4: Simplify right side
    1,943.26x = 4,062,050.17
  5. Step 5: Solve for x
    x = 4,062,050.17/1,943.26
  6. Step 6: Final answer
    x = 2,090.33

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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.