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Finding the Fourth Proportional to 3,448.72, 4,759.23 and 1,956.64

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Solution

The fourth proportional to 3,448.72, 4,759.23 and 1,956.64 is: 2,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.72 : 4,759.23 = 1,956.64 : x
  2. Step 2: Convert to fraction form
    3,448.72/4,759.23 = 1,956.64/x
  3. Step 3: Cross multiply
    3,448.72x = 4,759.23 × 1,956.64
  4. Step 4: Simplify right side
    3,448.72x = 9,312,099.79
  5. Step 5: Solve for x
    x = 9,312,099.79/3,448.72
  6. Step 6: Final answer
    x = 2,700.16

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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.