Home / 3,072.93-4,608.89-1,318.22

Finding the Fourth Proportional to 3,072.93, 4,608.89 and 1,318.22

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Solution

The fourth proportional to 3,072.93, 4,608.89 and 1,318.22 is: 1,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.93 : 4,608.89 = 1,318.22 : x
  2. Step 2: Convert to fraction form
    3,072.93/4,608.89 = 1,318.22/x
  3. Step 3: Cross multiply
    3,072.93x = 4,608.89 × 1,318.22
  4. Step 4: Simplify right side
    3,072.93x = 6,075,530.98
  5. Step 5: Solve for x
    x = 6,075,530.98/3,072.93
  6. Step 6: Final answer
    x = 1,977.11

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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.