Home / 3,018.11-4,165.16-1,692.24

Finding the Fourth Proportional to 3,018.11, 4,165.16 and 1,692.24

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Solution

The fourth proportional to 3,018.11, 4,165.16 and 1,692.24 is: 2,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.11 : 4,165.16 = 1,692.24 : x
  2. Step 2: Convert to fraction form
    3,018.11/4,165.16 = 1,692.24/x
  3. Step 3: Cross multiply
    3,018.11x = 4,165.16 × 1,692.24
  4. Step 4: Simplify right side
    3,018.11x = 7,048,441.90
  5. Step 5: Solve for x
    x = 7,048,441.90/3,018.11
  6. Step 6: Final answer
    x = 2,335.39

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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.