Home / 2,938.21-4,054.75-1,759.29

Finding the Fourth Proportional to 2,938.21, 4,054.75 and 1,759.29

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Solution

The fourth proportional to 2,938.21, 4,054.75 and 1,759.29 is: 2,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.21 : 4,054.75 = 1,759.29 : x
  2. Step 2: Convert to fraction form
    2,938.21/4,054.75 = 1,759.29/x
  3. Step 3: Cross multiply
    2,938.21x = 4,054.75 × 1,759.29
  4. Step 4: Simplify right side
    2,938.21x = 7,133,481.13
  5. Step 5: Solve for x
    x = 7,133,481.13/2,938.21
  6. Step 6: Final answer
    x = 2,427.83

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1.5x scale

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.