Home / 1,192.32-1,777.44-1,137.60

Finding the Fourth Proportional to 1,192.32, 1,777.44 and 1,137.60

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Solution

The fourth proportional to 1,192.32, 1,777.44 and 1,137.60 is: 1,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.32 : 1,777.44 = 1,137.60 : x
  2. Step 2: Convert to fraction form
    1,192.32/1,777.44 = 1,137.60/x
  3. Step 3: Cross multiply
    1,192.32x = 1,777.44 × 1,137.60
  4. Step 4: Simplify right side
    1,192.32x = 2,022,015.74
  5. Step 5: Solve for x
    x = 2,022,015.74/1,192.32
  6. Step 6: Final answer
    x = 1,695.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.