Home / 2,750.00-3,795.09-1,555.25

Finding the Fourth Proportional to 2,750.00, 3,795.09 and 1,555.25

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Solution

The fourth proportional to 2,750.00, 3,795.09 and 1,555.25 is: 2,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.00 : 3,795.09 = 1,555.25 : x
  2. Step 2: Convert to fraction form
    2,750.00/3,795.09 = 1,555.25/x
  3. Step 3: Cross multiply
    2,750.00x = 3,795.09 × 1,555.25
  4. Step 4: Simplify right side
    2,750.00x = 5,902,294.75
  5. Step 5: Solve for x
    x = 5,902,294.75/2,750.00
  6. Step 6: Final answer
    x = 2,146.29

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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.