Home / 1,977.03-2,723.49-1,692.63

Finding the Fourth Proportional to 1,977.03, 2,723.49 and 1,692.63

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Solution

The fourth proportional to 1,977.03, 2,723.49 and 1,692.63 is: 2,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.03 : 2,723.49 = 1,692.63 : x
  2. Step 2: Convert to fraction form
    1,977.03/2,723.49 = 1,692.63/x
  3. Step 3: Cross multiply
    1,977.03x = 2,723.49 × 1,692.63
  4. Step 4: Simplify right side
    1,977.03x = 4,609,860.88
  5. Step 5: Solve for x
    x = 4,609,860.88/1,977.03
  6. Step 6: Final answer
    x = 2,331.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.