Home / 3,638.37-5,453.66-2,075.00

Finding the Fourth Proportional to 3,638.37, 5,453.66 and 2,075.00

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Solution

The fourth proportional to 3,638.37, 5,453.66 and 2,075.00 is: 3,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.37 : 5,453.66 = 2,075.00 : x
  2. Step 2: Convert to fraction form
    3,638.37/5,453.66 = 2,075.00/x
  3. Step 3: Cross multiply
    3,638.37x = 5,453.66 × 2,075.00
  4. Step 4: Simplify right side
    3,638.37x = 11,316,363.32
  5. Step 5: Solve for x
    x = 11,316,363.32/3,638.37
  6. Step 6: Final answer
    x = 3,110.28

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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.