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Finding the Fourth Proportional to 1,094.96, 1,512.60 and 859.52

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Solution

The fourth proportional to 1,094.96, 1,512.60 and 859.52 is: 1,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.96 : 1,512.60 = 859.52 : x
  2. Step 2: Convert to fraction form
    1,094.96/1,512.60 = 859.52/x
  3. Step 3: Cross multiply
    1,094.96x = 1,512.60 × 859.52
  4. Step 4: Simplify right side
    1,094.96x = 1,300,109.95
  5. Step 5: Solve for x
    x = 1,300,109.95/1,094.96
  6. Step 6: Final answer
    x = 1,187.36

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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.