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Finding the Fourth Proportional to 3,877.44, 5,813.72 and 2,559.79

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Solution

The fourth proportional to 3,877.44, 5,813.72 and 2,559.79 is: 3,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.44 : 5,813.72 = 2,559.79 : x
  2. Step 2: Convert to fraction form
    3,877.44/5,813.72 = 2,559.79/x
  3. Step 3: Cross multiply
    3,877.44x = 5,813.72 × 2,559.79
  4. Step 4: Simplify right side
    3,877.44x = 14,881,902.32
  5. Step 5: Solve for x
    x = 14,881,902.32/3,877.44
  6. Step 6: Final answer
    x = 3,838.07

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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.