Home / 2,674.05-3,692.55-1,680.99

Finding the Fourth Proportional to 2,674.05, 3,692.55 and 1,680.99

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Solution

The fourth proportional to 2,674.05, 3,692.55 and 1,680.99 is: 2,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.05 : 3,692.55 = 1,680.99 : x
  2. Step 2: Convert to fraction form
    2,674.05/3,692.55 = 1,680.99/x
  3. Step 3: Cross multiply
    2,674.05x = 3,692.55 × 1,680.99
  4. Step 4: Simplify right side
    2,674.05x = 6,207,139.62
  5. Step 5: Solve for x
    x = 6,207,139.62/2,674.05
  6. Step 6: Final answer
    x = 2,321.25

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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.