Home / 3,018.67-4,165.93-1,692.80

Finding the Fourth Proportional to 3,018.67, 4,165.93 and 1,692.80

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Solution

The fourth proportional to 3,018.67, 4,165.93 and 1,692.80 is: 2,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.67 : 4,165.93 = 1,692.80 : x
  2. Step 2: Convert to fraction form
    3,018.67/4,165.93 = 1,692.80/x
  3. Step 3: Cross multiply
    3,018.67x = 4,165.93 × 1,692.80
  4. Step 4: Simplify right side
    3,018.67x = 7,052,086.30
  5. Step 5: Solve for x
    x = 7,052,086.30/3,018.67
  6. Step 6: Final answer
    x = 2,336.16

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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.