Home / 2,075.54-3,110.74-1,208.03

Finding the Fourth Proportional to 2,075.54, 3,110.74 and 1,208.03

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Solution

The fourth proportional to 2,075.54, 3,110.74 and 1,208.03 is: 1,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.54 : 3,110.74 = 1,208.03 : x
  2. Step 2: Convert to fraction form
    2,075.54/3,110.74 = 1,208.03/x
  3. Step 3: Cross multiply
    2,075.54x = 3,110.74 × 1,208.03
  4. Step 4: Simplify right side
    2,075.54x = 3,757,848.67
  5. Step 5: Solve for x
    x = 3,757,848.67/2,075.54
  6. Step 6: Final answer
    x = 1,810.54

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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.