Home / 2,626.62-3,619.75-1,879.28

Finding the Fourth Proportional to 2,626.62, 3,619.75 and 1,879.28

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Solution

The fourth proportional to 2,626.62, 3,619.75 and 1,879.28 is: 2,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.62 : 3,619.75 = 1,879.28 : x
  2. Step 2: Convert to fraction form
    2,626.62/3,619.75 = 1,879.28/x
  3. Step 3: Cross multiply
    2,626.62x = 3,619.75 × 1,879.28
  4. Step 4: Simplify right side
    2,626.62x = 6,802,528.13
  5. Step 5: Solve for x
    x = 6,802,528.13/2,626.62
  6. Step 6: Final answer
    x = 2,589.84

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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.