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Finding the Fourth Proportional to 3,864.69, 5,797.04 and 1,918.26

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Solution

The fourth proportional to 3,864.69, 5,797.04 and 1,918.26 is: 2,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.69 : 5,797.04 = 1,918.26 : x
  2. Step 2: Convert to fraction form
    3,864.69/5,797.04 = 1,918.26/x
  3. Step 3: Cross multiply
    3,864.69x = 5,797.04 × 1,918.26
  4. Step 4: Simplify right side
    3,864.69x = 11,120,220.36
  5. Step 5: Solve for x
    x = 11,120,220.36/3,864.69
  6. Step 6: Final answer
    x = 2,877.39

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1.5x scale

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.