Home / 1,738.96-2,399.75-942.29

Finding the Fourth Proportional to 1,738.96, 2,399.75 and 942.29

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Solution

The fourth proportional to 1,738.96, 2,399.75 and 942.29 is: 1,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.96 : 2,399.75 = 942.29 : x
  2. Step 2: Convert to fraction form
    1,738.96/2,399.75 = 942.29/x
  3. Step 3: Cross multiply
    1,738.96x = 2,399.75 × 942.29
  4. Step 4: Simplify right side
    1,738.96x = 2,261,260.43
  5. Step 5: Solve for x
    x = 2,261,260.43/1,738.96
  6. Step 6: Final answer
    x = 1,300.35

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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.