Home / 1,977.69-2,729.19-1,093.47

Finding the Fourth Proportional to 1,977.69, 2,729.19 and 1,093.47

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Solution

The fourth proportional to 1,977.69, 2,729.19 and 1,093.47 is: 1,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.69 : 2,729.19 = 1,093.47 : x
  2. Step 2: Convert to fraction form
    1,977.69/2,729.19 = 1,093.47/x
  3. Step 3: Cross multiply
    1,977.69x = 2,729.19 × 1,093.47
  4. Step 4: Simplify right side
    1,977.69x = 2,984,287.39
  5. Step 5: Solve for x
    x = 2,984,287.39/1,977.69
  6. Step 6: Final answer
    x = 1,508.98

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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.