Home / 3,075.40-4,610.40-1,843.30

Finding the Fourth Proportional to 3,075.40, 4,610.40 and 1,843.30

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Solution

The fourth proportional to 3,075.40, 4,610.40 and 1,843.30 is: 2,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.40 : 4,610.40 = 1,843.30 : x
  2. Step 2: Convert to fraction form
    3,075.40/4,610.40 = 1,843.30/x
  3. Step 3: Cross multiply
    3,075.40x = 4,610.40 × 1,843.30
  4. Step 4: Simplify right side
    3,075.40x = 8,498,350.32
  5. Step 5: Solve for x
    x = 8,498,350.32/3,075.40
  6. Step 6: Final answer
    x = 2,763.33

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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.