Home / 2,192.44-3,021.38-1,570.36

Finding the Fourth Proportional to 2,192.44, 3,021.38 and 1,570.36

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Solution

The fourth proportional to 2,192.44, 3,021.38 and 1,570.36 is: 2,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.44 : 3,021.38 = 1,570.36 : x
  2. Step 2: Convert to fraction form
    2,192.44/3,021.38 = 1,570.36/x
  3. Step 3: Cross multiply
    2,192.44x = 3,021.38 × 1,570.36
  4. Step 4: Simplify right side
    2,192.44x = 4,744,654.30
  5. Step 5: Solve for x
    x = 4,744,654.30/2,192.44
  6. Step 6: Final answer
    x = 2,164.10

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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.