Home / 2,771.92-4,158.04-1,040.56

Finding the Fourth Proportional to 2,771.92, 4,158.04 and 1,040.56

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Solution

The fourth proportional to 2,771.92, 4,158.04 and 1,040.56 is: 1,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.92 : 4,158.04 = 1,040.56 : x
  2. Step 2: Convert to fraction form
    2,771.92/4,158.04 = 1,040.56/x
  3. Step 3: Cross multiply
    2,771.92x = 4,158.04 × 1,040.56
  4. Step 4: Simplify right side
    2,771.92x = 4,326,690.10
  5. Step 5: Solve for x
    x = 4,326,690.10/2,771.92
  6. Step 6: Final answer
    x = 1,560.90

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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.