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Finding the Fourth Proportional to 2,706.42, 4,060.19 and 1,224.93

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Solution

The fourth proportional to 2,706.42, 4,060.19 and 1,224.93 is: 1,837.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.42 : 4,060.19 = 1,224.93 : x
  2. Step 2: Convert to fraction form
    2,706.42/4,060.19 = 1,224.93/x
  3. Step 3: Cross multiply
    2,706.42x = 4,060.19 × 1,224.93
  4. Step 4: Simplify right side
    2,706.42x = 4,973,448.54
  5. Step 5: Solve for x
    x = 4,973,448.54/2,706.42
  6. Step 6: Final answer
    x = 1,837.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.