Home / 3,108.98-4,290.47-1,692.77

Finding the Fourth Proportional to 3,108.98, 4,290.47 and 1,692.77

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Solution

The fourth proportional to 3,108.98, 4,290.47 and 1,692.77 is: 2,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.98 : 4,290.47 = 1,692.77 : x
  2. Step 2: Convert to fraction form
    3,108.98/4,290.47 = 1,692.77/x
  3. Step 3: Cross multiply
    3,108.98x = 4,290.47 × 1,692.77
  4. Step 4: Simplify right side
    3,108.98x = 7,262,755.33
  5. Step 5: Solve for x
    x = 7,262,755.33/3,108.98
  6. Step 6: Final answer
    x = 2,336.06

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1.5x scale

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.