Home / 1,634.32-2,256.20-1,110.64

Finding the Fourth Proportional to 1,634.32, 2,256.20 and 1,110.64

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Solution

The fourth proportional to 1,634.32, 2,256.20 and 1,110.64 is: 1,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.32 : 2,256.20 = 1,110.64 : x
  2. Step 2: Convert to fraction form
    1,634.32/2,256.20 = 1,110.64/x
  3. Step 3: Cross multiply
    1,634.32x = 2,256.20 × 1,110.64
  4. Step 4: Simplify right side
    1,634.32x = 2,505,825.97
  5. Step 5: Solve for x
    x = 2,505,825.97/1,634.32
  6. Step 6: Final answer
    x = 1,533.25

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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.