Home / 2,938.49-4,054.60-1,943.26

Finding the Fourth Proportional to 2,938.49, 4,054.60 and 1,943.26

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Solution

The fourth proportional to 2,938.49, 4,054.60 and 1,943.26 is: 2,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.49 : 4,054.60 = 1,943.26 : x
  2. Step 2: Convert to fraction form
    2,938.49/4,054.60 = 1,943.26/x
  3. Step 3: Cross multiply
    2,938.49x = 4,054.60 × 1,943.26
  4. Step 4: Simplify right side
    2,938.49x = 7,879,142.00
  5. Step 5: Solve for x
    x = 7,879,142.00/2,938.49
  6. Step 6: Final answer
    x = 2,681.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.