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Finding the Fourth Proportional to 3,877.00, 5,815.42 and 955.33

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Solution

The fourth proportional to 3,877.00, 5,815.42 and 955.33 is: 1,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.00 : 5,815.42 = 955.33 : x
  2. Step 2: Convert to fraction form
    3,877.00/5,815.42 = 955.33/x
  3. Step 3: Cross multiply
    3,877.00x = 5,815.42 × 955.33
  4. Step 4: Simplify right side
    3,877.00x = 5,555,628.26
  5. Step 5: Solve for x
    x = 5,555,628.26/3,877.00
  6. Step 6: Final answer
    x = 1,432.97

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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.