Home / 2,775.20-4,162.19-1,602.72

Finding the Fourth Proportional to 2,775.20, 4,162.19 and 1,602.72

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Solution

The fourth proportional to 2,775.20, 4,162.19 and 1,602.72 is: 2,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.20 : 4,162.19 = 1,602.72 : x
  2. Step 2: Convert to fraction form
    2,775.20/4,162.19 = 1,602.72/x
  3. Step 3: Cross multiply
    2,775.20x = 4,162.19 × 1,602.72
  4. Step 4: Simplify right side
    2,775.20x = 6,670,817.14
  5. Step 5: Solve for x
    x = 6,670,817.14/2,775.20
  6. Step 6: Final answer
    x = 2,403.73

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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.