Home / 2,842.43-3,922.36-1,583.42

Finding the Fourth Proportional to 2,842.43, 3,922.36 and 1,583.42

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Solution

The fourth proportional to 2,842.43, 3,922.36 and 1,583.42 is: 2,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.43 : 3,922.36 = 1,583.42 : x
  2. Step 2: Convert to fraction form
    2,842.43/3,922.36 = 1,583.42/x
  3. Step 3: Cross multiply
    2,842.43x = 3,922.36 × 1,583.42
  4. Step 4: Simplify right side
    2,842.43x = 6,210,743.27
  5. Step 5: Solve for x
    x = 6,210,743.27/2,842.43
  6. Step 6: Final answer
    x = 2,185.01

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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.