Home / 3,019.01-4,166.44-1,692.80

Finding the Fourth Proportional to 3,019.01, 4,166.44 and 1,692.80

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Solution

The fourth proportional to 3,019.01, 4,166.44 and 1,692.80 is: 2,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.01 : 4,166.44 = 1,692.80 : x
  2. Step 2: Convert to fraction form
    3,019.01/4,166.44 = 1,692.80/x
  3. Step 3: Cross multiply
    3,019.01x = 4,166.44 × 1,692.80
  4. Step 4: Simplify right side
    3,019.01x = 7,052,941.17
  5. Step 5: Solve for x
    x = 7,052,941.17/3,019.01
  6. Step 6: Final answer
    x = 2,336.18

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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.