Home / 1,858.60-2,564.94-1,072.84

Finding the Fourth Proportional to 1,858.60, 2,564.94 and 1,072.84

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Solution

The fourth proportional to 1,858.60, 2,564.94 and 1,072.84 is: 1,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.60 : 2,564.94 = 1,072.84 : x
  2. Step 2: Convert to fraction form
    1,858.60/2,564.94 = 1,072.84/x
  3. Step 3: Cross multiply
    1,858.60x = 2,564.94 × 1,072.84
  4. Step 4: Simplify right side
    1,858.60x = 2,751,770.23
  5. Step 5: Solve for x
    x = 2,751,770.23/1,858.60
  6. Step 6: Final answer
    x = 1,480.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.