Home / 1,536.55-2,115.06-1,093.75

Finding the Fourth Proportional to 1,536.55, 2,115.06 and 1,093.75

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Solution

The fourth proportional to 1,536.55, 2,115.06 and 1,093.75 is: 1,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.55 : 2,115.06 = 1,093.75 : x
  2. Step 2: Convert to fraction form
    1,536.55/2,115.06 = 1,093.75/x
  3. Step 3: Cross multiply
    1,536.55x = 2,115.06 × 1,093.75
  4. Step 4: Simplify right side
    1,536.55x = 2,313,346.88
  5. Step 5: Solve for x
    x = 2,313,346.88/1,536.55
  6. Step 6: Final answer
    x = 1,505.55

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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.