Home / 2,975.80-4,464.57-1,331.98

Finding the Fourth Proportional to 2,975.80, 4,464.57 and 1,331.98

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Solution

The fourth proportional to 2,975.80, 4,464.57 and 1,331.98 is: 1,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.80 : 4,464.57 = 1,331.98 : x
  2. Step 2: Convert to fraction form
    2,975.80/4,464.57 = 1,331.98/x
  3. Step 3: Cross multiply
    2,975.80x = 4,464.57 × 1,331.98
  4. Step 4: Simplify right side
    2,975.80x = 5,946,692.59
  5. Step 5: Solve for x
    x = 5,946,692.59/2,975.80
  6. Step 6: Final answer
    x = 1,998.35

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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.