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Finding the Fourth Proportional to 1,704.33, 2,555.64 and 608.52

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Solution

The fourth proportional to 1,704.33, 2,555.64 and 608.52 is: 912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.33 : 2,555.64 = 608.52 : x
  2. Step 2: Convert to fraction form
    1,704.33/2,555.64 = 608.52/x
  3. Step 3: Cross multiply
    1,704.33x = 2,555.64 × 608.52
  4. Step 4: Simplify right side
    1,704.33x = 1,555,158.05
  5. Step 5: Solve for x
    x = 1,555,158.05/1,704.33
  6. Step 6: Final answer
    x = 912.47

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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.