Home / 2,798.25-4,196.61-1,480.21

Finding the Fourth Proportional to 2,798.25, 4,196.61 and 1,480.21

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Solution

The fourth proportional to 2,798.25, 4,196.61 and 1,480.21 is: 2,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.25 : 4,196.61 = 1,480.21 : x
  2. Step 2: Convert to fraction form
    2,798.25/4,196.61 = 1,480.21/x
  3. Step 3: Cross multiply
    2,798.25x = 4,196.61 × 1,480.21
  4. Step 4: Simplify right side
    2,798.25x = 6,211,853.60
  5. Step 5: Solve for x
    x = 6,211,853.60/2,798.25
  6. Step 6: Final answer
    x = 2,219.91

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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.