Home / 2,842.21-3,922.37-1,583.26

Finding the Fourth Proportional to 2,842.21, 3,922.37 and 1,583.26

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Solution

The fourth proportional to 2,842.21, 3,922.37 and 1,583.26 is: 2,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.21 : 3,922.37 = 1,583.26 : x
  2. Step 2: Convert to fraction form
    2,842.21/3,922.37 = 1,583.26/x
  3. Step 3: Cross multiply
    2,842.21x = 3,922.37 × 1,583.26
  4. Step 4: Simplify right side
    2,842.21x = 6,210,138.13
  5. Step 5: Solve for x
    x = 6,210,138.13/2,842.21
  6. Step 6: Final answer
    x = 2,184.97

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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.