Home / 2,311.68-3,464.64-1,077.48

Finding the Fourth Proportional to 2,311.68, 3,464.64 and 1,077.48

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Solution

The fourth proportional to 2,311.68, 3,464.64 and 1,077.48 is: 1,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.68 : 3,464.64 = 1,077.48 : x
  2. Step 2: Convert to fraction form
    2,311.68/3,464.64 = 1,077.48/x
  3. Step 3: Cross multiply
    2,311.68x = 3,464.64 × 1,077.48
  4. Step 4: Simplify right side
    2,311.68x = 3,733,080.31
  5. Step 5: Solve for x
    x = 3,733,080.31/2,311.68
  6. Step 6: Final answer
    x = 1,614.88

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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.