Home / 3,018.18-4,165.48-1,839.22

Finding the Fourth Proportional to 3,018.18, 4,165.48 and 1,839.22

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Solution

The fourth proportional to 3,018.18, 4,165.48 and 1,839.22 is: 2,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.18 : 4,165.48 = 1,839.22 : x
  2. Step 2: Convert to fraction form
    3,018.18/4,165.48 = 1,839.22/x
  3. Step 3: Cross multiply
    3,018.18x = 4,165.48 × 1,839.22
  4. Step 4: Simplify right side
    3,018.18x = 7,661,234.13
  5. Step 5: Solve for x
    x = 7,661,234.13/3,018.18
  6. Step 6: Final answer
    x = 2,538.36

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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.