Home / 3,018.23-4,165.16-1,839.30

Finding the Fourth Proportional to 3,018.23, 4,165.16 and 1,839.30

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Solution

The fourth proportional to 3,018.23, 4,165.16 and 1,839.30 is: 2,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.23 : 4,165.16 = 1,839.30 : x
  2. Step 2: Convert to fraction form
    3,018.23/4,165.16 = 1,839.30/x
  3. Step 3: Cross multiply
    3,018.23x = 4,165.16 × 1,839.30
  4. Step 4: Simplify right side
    3,018.23x = 7,660,969.59
  5. Step 5: Solve for x
    x = 7,660,969.59/3,018.23
  6. Step 6: Final answer
    x = 2,538.23

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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.