Home / 2,692.08-4,012.68-2,560.50

Finding the Fourth Proportional to 2,692.08, 4,012.68 and 2,560.50

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Solution

The fourth proportional to 2,692.08, 4,012.68 and 2,560.50 is: 3,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.08 : 4,012.68 = 2,560.50 : x
  2. Step 2: Convert to fraction form
    2,692.08/4,012.68 = 2,560.50/x
  3. Step 3: Cross multiply
    2,692.08x = 4,012.68 × 2,560.50
  4. Step 4: Simplify right side
    2,692.08x = 10,274,467.14
  5. Step 5: Solve for x
    x = 10,274,467.14/2,692.08
  6. Step 6: Final answer
    x = 3,816.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.