Home / 3,075.03-4,610.62-1,321.15

Finding the Fourth Proportional to 3,075.03, 4,610.62 and 1,321.15

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Solution

The fourth proportional to 3,075.03, 4,610.62 and 1,321.15 is: 1,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.03 : 4,610.62 = 1,321.15 : x
  2. Step 2: Convert to fraction form
    3,075.03/4,610.62 = 1,321.15/x
  3. Step 3: Cross multiply
    3,075.03x = 4,610.62 × 1,321.15
  4. Step 4: Simplify right side
    3,075.03x = 6,091,320.61
  5. Step 5: Solve for x
    x = 6,091,320.61/3,075.03
  6. Step 6: Final answer
    x = 1,980.90

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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.