Home / 2,796.45-3,858.80-1,617.29

Finding the Fourth Proportional to 2,796.45, 3,858.80 and 1,617.29

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Solution

The fourth proportional to 2,796.45, 3,858.80 and 1,617.29 is: 2,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.45 : 3,858.80 = 1,617.29 : x
  2. Step 2: Convert to fraction form
    2,796.45/3,858.80 = 1,617.29/x
  3. Step 3: Cross multiply
    2,796.45x = 3,858.80 × 1,617.29
  4. Step 4: Simplify right side
    2,796.45x = 6,240,798.65
  5. Step 5: Solve for x
    x = 6,240,798.65/2,796.45
  6. Step 6: Final answer
    x = 2,231.69

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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.