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Finding the Fourth Proportional to 1,593.31, 2,198.77 and 894.69

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Solution

The fourth proportional to 1,593.31, 2,198.77 and 894.69 is: 1,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.31 : 2,198.77 = 894.69 : x
  2. Step 2: Convert to fraction form
    1,593.31/2,198.77 = 894.69/x
  3. Step 3: Cross multiply
    1,593.31x = 2,198.77 × 894.69
  4. Step 4: Simplify right side
    1,593.31x = 1,967,217.53
  5. Step 5: Solve for x
    x = 1,967,217.53/1,593.31
  6. Step 6: Final answer
    x = 1,234.67

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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.