Home / 2,938.52-4,054.91-1,679.33

Finding the Fourth Proportional to 2,938.52, 4,054.91 and 1,679.33

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Solution

The fourth proportional to 2,938.52, 4,054.91 and 1,679.33 is: 2,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.52 : 4,054.91 = 1,679.33 : x
  2. Step 2: Convert to fraction form
    2,938.52/4,054.91 = 1,679.33/x
  3. Step 3: Cross multiply
    2,938.52x = 4,054.91 × 1,679.33
  4. Step 4: Simplify right side
    2,938.52x = 6,809,532.01
  5. Step 5: Solve for x
    x = 6,809,532.01/2,938.52
  6. Step 6: Final answer
    x = 2,317.33

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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.