Home / 3,441.84-4,749.64-1,949.72

Finding the Fourth Proportional to 3,441.84, 4,749.64 and 1,949.72

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Solution

The fourth proportional to 3,441.84, 4,749.64 and 1,949.72 is: 2,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.84 : 4,749.64 = 1,949.72 : x
  2. Step 2: Convert to fraction form
    3,441.84/4,749.64 = 1,949.72/x
  3. Step 3: Cross multiply
    3,441.84x = 4,749.64 × 1,949.72
  4. Step 4: Simplify right side
    3,441.84x = 9,260,468.10
  5. Step 5: Solve for x
    x = 9,260,468.10/3,441.84
  6. Step 6: Final answer
    x = 2,690.56

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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.