Home / 3,054.94-4,215.83-1,657.69

Finding the Fourth Proportional to 3,054.94, 4,215.83 and 1,657.69

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Solution

The fourth proportional to 3,054.94, 4,215.83 and 1,657.69 is: 2,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.94 : 4,215.83 = 1,657.69 : x
  2. Step 2: Convert to fraction form
    3,054.94/4,215.83 = 1,657.69/x
  3. Step 3: Cross multiply
    3,054.94x = 4,215.83 × 1,657.69
  4. Step 4: Simplify right side
    3,054.94x = 6,988,520.40
  5. Step 5: Solve for x
    x = 6,988,520.40/3,054.94
  6. Step 6: Final answer
    x = 2,287.61

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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.