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Finding the Fourth Proportional to 1,704.51, 2,560.01 and 1,059.75

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Solution

The fourth proportional to 1,704.51, 2,560.01 and 1,059.75 is: 1,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.51 : 2,560.01 = 1,059.75 : x
  2. Step 2: Convert to fraction form
    1,704.51/2,560.01 = 1,059.75/x
  3. Step 3: Cross multiply
    1,704.51x = 2,560.01 × 1,059.75
  4. Step 4: Simplify right side
    1,704.51x = 2,712,965.30
  5. Step 5: Solve for x
    x = 2,712,965.30/1,704.51
  6. Step 6: Final answer
    x = 1,591.64

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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.