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Finding the Fourth Proportional to 3,877.02, 5,815.44 and 955.35

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Solution

The fourth proportional to 3,877.02, 5,815.44 and 955.35 is: 1,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.02 : 5,815.44 = 955.35 : x
  2. Step 2: Convert to fraction form
    3,877.02/5,815.44 = 955.35/x
  3. Step 3: Cross multiply
    3,877.02x = 5,815.44 × 955.35
  4. Step 4: Simplify right side
    3,877.02x = 5,555,780.60
  5. Step 5: Solve for x
    x = 5,555,780.60/3,877.02
  6. Step 6: Final answer
    x = 1,433.00

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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.