Home / 3,018.94-4,166.31-1,693.08

Finding the Fourth Proportional to 3,018.94, 4,166.31 and 1,693.08

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Solution

The fourth proportional to 3,018.94, 4,166.31 and 1,693.08 is: 2,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.94 : 4,166.31 = 1,693.08 : x
  2. Step 2: Convert to fraction form
    3,018.94/4,166.31 = 1,693.08/x
  3. Step 3: Cross multiply
    3,018.94x = 4,166.31 × 1,693.08
  4. Step 4: Simplify right side
    3,018.94x = 7,053,896.13
  5. Step 5: Solve for x
    x = 7,053,896.13/3,018.94
  6. Step 6: Final answer
    x = 2,336.55

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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.