Home / 3,441.78-4,749.37-1,949.40

Finding the Fourth Proportional to 3,441.78, 4,749.37 and 1,949.40

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Solution

The fourth proportional to 3,441.78, 4,749.37 and 1,949.40 is: 2,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.78 : 4,749.37 = 1,949.40 : x
  2. Step 2: Convert to fraction form
    3,441.78/4,749.37 = 1,949.40/x
  3. Step 3: Cross multiply
    3,441.78x = 4,749.37 × 1,949.40
  4. Step 4: Simplify right side
    3,441.78x = 9,258,417.00
  5. Step 5: Solve for x
    x = 9,258,417.00/3,441.78
  6. Step 6: Final answer
    x = 2,690.01

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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.