Home / 2,013.28-2,780.01-1,268.44

Finding the Fourth Proportional to 2,013.28, 2,780.01 and 1,268.44

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Solution

The fourth proportional to 2,013.28, 2,780.01 and 1,268.44 is: 1,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.28 : 2,780.01 = 1,268.44 : x
  2. Step 2: Convert to fraction form
    2,013.28/2,780.01 = 1,268.44/x
  3. Step 3: Cross multiply
    2,013.28x = 2,780.01 × 1,268.44
  4. Step 4: Simplify right side
    2,013.28x = 3,526,275.88
  5. Step 5: Solve for x
    x = 3,526,275.88/2,013.28
  6. Step 6: Final answer
    x = 1,751.51

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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.