Home / 2,747.40-4,118.22-1,775.56

Finding the Fourth Proportional to 2,747.40, 4,118.22 and 1,775.56

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Solution

The fourth proportional to 2,747.40, 4,118.22 and 1,775.56 is: 2,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.40 : 4,118.22 = 1,775.56 : x
  2. Step 2: Convert to fraction form
    2,747.40/4,118.22 = 1,775.56/x
  3. Step 3: Cross multiply
    2,747.40x = 4,118.22 × 1,775.56
  4. Step 4: Simplify right side
    2,747.40x = 7,312,146.70
  5. Step 5: Solve for x
    x = 7,312,146.70/2,747.40
  6. Step 6: Final answer
    x = 2,661.48

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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.