Home / 2,677.03-4,016.40-1,290.49

Finding the Fourth Proportional to 2,677.03, 4,016.40 and 1,290.49

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Solution

The fourth proportional to 2,677.03, 4,016.40 and 1,290.49 is: 1,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.03 : 4,016.40 = 1,290.49 : x
  2. Step 2: Convert to fraction form
    2,677.03/4,016.40 = 1,290.49/x
  3. Step 3: Cross multiply
    2,677.03x = 4,016.40 × 1,290.49
  4. Step 4: Simplify right side
    2,677.03x = 5,183,124.04
  5. Step 5: Solve for x
    x = 5,183,124.04/2,677.03
  6. Step 6: Final answer
    x = 1,936.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.