Home / 3,018.45-4,165.39-1,759.98

Finding the Fourth Proportional to 3,018.45, 4,165.39 and 1,759.98

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Solution

The fourth proportional to 3,018.45, 4,165.39 and 1,759.98 is: 2,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.45 : 4,165.39 = 1,759.98 : x
  2. Step 2: Convert to fraction form
    3,018.45/4,165.39 = 1,759.98/x
  3. Step 3: Cross multiply
    3,018.45x = 4,165.39 × 1,759.98
  4. Step 4: Simplify right side
    3,018.45x = 7,331,003.09
  5. Step 5: Solve for x
    x = 7,331,003.09/3,018.45
  6. Step 6: Final answer
    x = 2,428.73

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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.