Home / 3,448.90-4,759.55-1,956.79

Finding the Fourth Proportional to 3,448.90, 4,759.55 and 1,956.79

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Solution

The fourth proportional to 3,448.90, 4,759.55 and 1,956.79 is: 2,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.90 : 4,759.55 = 1,956.79 : x
  2. Step 2: Convert to fraction form
    3,448.90/4,759.55 = 1,956.79/x
  3. Step 3: Cross multiply
    3,448.90x = 4,759.55 × 1,956.79
  4. Step 4: Simplify right side
    3,448.90x = 9,313,439.84
  5. Step 5: Solve for x
    x = 9,313,439.84/3,448.90
  6. Step 6: Final answer
    x = 2,700.41

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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.