Home / 3,042.24-4,193.76-2,692.80

Finding the Fourth Proportional to 3,042.24, 4,193.76 and 2,692.80

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Solution

The fourth proportional to 3,042.24, 4,193.76 and 2,692.80 is: 3,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.24 : 4,193.76 = 2,692.80 : x
  2. Step 2: Convert to fraction form
    3,042.24/4,193.76 = 2,692.80/x
  3. Step 3: Cross multiply
    3,042.24x = 4,193.76 × 2,692.80
  4. Step 4: Simplify right side
    3,042.24x = 11,292,956.93
  5. Step 5: Solve for x
    x = 11,292,956.93/3,042.24
  6. Step 6: Final answer
    x = 3,712.05

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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.