Home / 2,775.11-4,158.97-1,130.76

Finding the Fourth Proportional to 2,775.11, 4,158.97 and 1,130.76

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Solution

The fourth proportional to 2,775.11, 4,158.97 and 1,130.76 is: 1,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.11 : 4,158.97 = 1,130.76 : x
  2. Step 2: Convert to fraction form
    2,775.11/4,158.97 = 1,130.76/x
  3. Step 3: Cross multiply
    2,775.11x = 4,158.97 × 1,130.76
  4. Step 4: Simplify right side
    2,775.11x = 4,702,794.09
  5. Step 5: Solve for x
    x = 4,702,794.09/2,775.11
  6. Step 6: Final answer
    x = 1,694.64

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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.