Home / 2,775.06-4,158.63-1,902.42

Finding the Fourth Proportional to 2,775.06, 4,158.63 and 1,902.42

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Solution

The fourth proportional to 2,775.06, 4,158.63 and 1,902.42 is: 2,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.06 : 4,158.63 = 1,902.42 : x
  2. Step 2: Convert to fraction form
    2,775.06/4,158.63 = 1,902.42/x
  3. Step 3: Cross multiply
    2,775.06x = 4,158.63 × 1,902.42
  4. Step 4: Simplify right side
    2,775.06x = 7,911,460.88
  5. Step 5: Solve for x
    x = 7,911,460.88/2,775.06
  6. Step 6: Final answer
    x = 2,850.92

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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.