Home / 1,600.24-2,208.36-892.12

Finding the Fourth Proportional to 1,600.24, 2,208.36 and 892.12

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Solution

The fourth proportional to 1,600.24, 2,208.36 and 892.12 is: 1,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.24 : 2,208.36 = 892.12 : x
  2. Step 2: Convert to fraction form
    1,600.24/2,208.36 = 892.12/x
  3. Step 3: Cross multiply
    1,600.24x = 2,208.36 × 892.12
  4. Step 4: Simplify right side
    1,600.24x = 1,970,122.12
  5. Step 5: Solve for x
    x = 1,970,122.12/1,600.24
  6. Step 6: Final answer
    x = 1,231.14

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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.