Home / 1,977.30-2,728.70-1,093.05

Finding the Fourth Proportional to 1,977.30, 2,728.70 and 1,093.05

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Solution

The fourth proportional to 1,977.30, 2,728.70 and 1,093.05 is: 1,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.30 : 2,728.70 = 1,093.05 : x
  2. Step 2: Convert to fraction form
    1,977.30/2,728.70 = 1,093.05/x
  3. Step 3: Cross multiply
    1,977.30x = 2,728.70 × 1,093.05
  4. Step 4: Simplify right side
    1,977.30x = 2,982,600.07
  5. Step 5: Solve for x
    x = 2,982,600.07/1,977.30
  6. Step 6: Final answer
    x = 1,508.42

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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.