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Finding the Fourth Proportional to 2,595.95, 3,893.89 and 1,208.51

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Solution

The fourth proportional to 2,595.95, 3,893.89 and 1,208.51 is: 1,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,595.95 : 3,893.89 = 1,208.51 : x
  2. Step 2: Convert to fraction form
    2,595.95/3,893.89 = 1,208.51/x
  3. Step 3: Cross multiply
    2,595.95x = 3,893.89 × 1,208.51
  4. Step 4: Simplify right side
    2,595.95x = 4,705,805.00
  5. Step 5: Solve for x
    x = 4,705,805.00/2,595.95
  6. Step 6: Final answer
    x = 1,812.75

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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.