Home / 1,647.03-2,284.55-1,587.94

Finding the Fourth Proportional to 1,647.03, 2,284.55 and 1,587.94

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Solution

The fourth proportional to 1,647.03, 2,284.55 and 1,587.94 is: 2,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.03 : 2,284.55 = 1,587.94 : x
  2. Step 2: Convert to fraction form
    1,647.03/2,284.55 = 1,587.94/x
  3. Step 3: Cross multiply
    1,647.03x = 2,284.55 × 1,587.94
  4. Step 4: Simplify right side
    1,647.03x = 3,627,729.56
  5. Step 5: Solve for x
    x = 3,627,729.56/1,647.03
  6. Step 6: Final answer
    x = 2,202.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.