Home / 1,704.69-2,552.85-1,087.47

Finding the Fourth Proportional to 1,704.69, 2,552.85 and 1,087.47

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Solution

The fourth proportional to 1,704.69, 2,552.85 and 1,087.47 is: 1,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.69 : 2,552.85 = 1,087.47 : x
  2. Step 2: Convert to fraction form
    1,704.69/2,552.85 = 1,087.47/x
  3. Step 3: Cross multiply
    1,704.69x = 2,552.85 × 1,087.47
  4. Step 4: Simplify right side
    1,704.69x = 2,776,147.79
  5. Step 5: Solve for x
    x = 2,776,147.79/1,704.69
  6. Step 6: Final answer
    x = 1,628.54

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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.