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Finding the Fourth Proportional to 3,833.03, 5,289.03 and 2,154.35

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Solution

The fourth proportional to 3,833.03, 5,289.03 and 2,154.35 is: 2,972.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.03 : 5,289.03 = 2,154.35 : x
  2. Step 2: Convert to fraction form
    3,833.03/5,289.03 = 2,154.35/x
  3. Step 3: Cross multiply
    3,833.03x = 5,289.03 × 2,154.35
  4. Step 4: Simplify right side
    3,833.03x = 11,394,421.78
  5. Step 5: Solve for x
    x = 11,394,421.78/3,833.03
  6. Step 6: Final answer
    x = 2,972.69

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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.