Home / 2,674.80-3,692.51-1,680.62

Finding the Fourth Proportional to 2,674.80, 3,692.51 and 1,680.62

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Solution

The fourth proportional to 2,674.80, 3,692.51 and 1,680.62 is: 2,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.80 : 3,692.51 = 1,680.62 : x
  2. Step 2: Convert to fraction form
    2,674.80/3,692.51 = 1,680.62/x
  3. Step 3: Cross multiply
    2,674.80x = 3,692.51 × 1,680.62
  4. Step 4: Simplify right side
    2,674.80x = 6,205,719.59
  5. Step 5: Solve for x
    x = 6,205,719.59/2,674.80
  6. Step 6: Final answer
    x = 2,320.07

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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.