Home / 2,838.48-4,258.44-1,798.80

Finding the Fourth Proportional to 2,838.48, 4,258.44 and 1,798.80

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Solution

The fourth proportional to 2,838.48, 4,258.44 and 1,798.80 is: 2,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.48 : 4,258.44 = 1,798.80 : x
  2. Step 2: Convert to fraction form
    2,838.48/4,258.44 = 1,798.80/x
  3. Step 3: Cross multiply
    2,838.48x = 4,258.44 × 1,798.80
  4. Step 4: Simplify right side
    2,838.48x = 7,660,081.87
  5. Step 5: Solve for x
    x = 7,660,081.87/2,838.48
  6. Step 6: Final answer
    x = 2,698.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.