Home / 2,192.38-3,283.75-1,577.28

Finding the Fourth Proportional to 2,192.38, 3,283.75 and 1,577.28

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Solution

The fourth proportional to 2,192.38, 3,283.75 and 1,577.28 is: 2,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.38 : 3,283.75 = 1,577.28 : x
  2. Step 2: Convert to fraction form
    2,192.38/3,283.75 = 1,577.28/x
  3. Step 3: Cross multiply
    2,192.38x = 3,283.75 × 1,577.28
  4. Step 4: Simplify right side
    2,192.38x = 5,179,393.20
  5. Step 5: Solve for x
    x = 5,179,393.20/2,192.38
  6. Step 6: Final answer
    x = 2,362.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.