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Finding the Fourth Proportional to 1,689.44, 2,535.34 and 593.82

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Solution

The fourth proportional to 1,689.44, 2,535.34 and 593.82 is: 891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689.44 : 2,535.34 = 593.82 : x
  2. Step 2: Convert to fraction form
    1,689.44/2,535.34 = 593.82/x
  3. Step 3: Cross multiply
    1,689.44x = 2,535.34 × 593.82
  4. Step 4: Simplify right side
    1,689.44x = 1,505,535.60
  5. Step 5: Solve for x
    x = 1,505,535.60/1,689.44
  6. Step 6: Final answer
    x = 891.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.