Home / 2,775.60-4,158.72-1,676.61

Finding the Fourth Proportional to 2,775.60, 4,158.72 and 1,676.61

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Solution

The fourth proportional to 2,775.60, 4,158.72 and 1,676.61 is: 2,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.60 : 4,158.72 = 1,676.61 : x
  2. Step 2: Convert to fraction form
    2,775.60/4,158.72 = 1,676.61/x
  3. Step 3: Cross multiply
    2,775.60x = 4,158.72 × 1,676.61
  4. Step 4: Simplify right side
    2,775.60x = 6,972,551.54
  5. Step 5: Solve for x
    x = 6,972,551.54/2,775.60
  6. Step 6: Final answer
    x = 2,512.09

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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.