Home / 2,675.30-3,692.37-1,680.98

Finding the Fourth Proportional to 2,675.30, 3,692.37 and 1,680.98

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Solution

The fourth proportional to 2,675.30, 3,692.37 and 1,680.98 is: 2,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.30 : 3,692.37 = 1,680.98 : x
  2. Step 2: Convert to fraction form
    2,675.30/3,692.37 = 1,680.98/x
  3. Step 3: Cross multiply
    2,675.30x = 3,692.37 × 1,680.98
  4. Step 4: Simplify right side
    2,675.30x = 6,206,800.12
  5. Step 5: Solve for x
    x = 6,206,800.12/2,675.30
  6. Step 6: Final answer
    x = 2,320.04

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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.