Home / 2,311.39-3,464.52-1,079.11

Finding the Fourth Proportional to 2,311.39, 3,464.52 and 1,079.11

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Solution

The fourth proportional to 2,311.39, 3,464.52 and 1,079.11 is: 1,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.39 : 3,464.52 = 1,079.11 : x
  2. Step 2: Convert to fraction form
    2,311.39/3,464.52 = 1,079.11/x
  3. Step 3: Cross multiply
    2,311.39x = 3,464.52 × 1,079.11
  4. Step 4: Simplify right side
    2,311.39x = 3,738,598.18
  5. Step 5: Solve for x
    x = 3,738,598.18/2,311.39
  6. Step 6: Final answer
    x = 1,617.47

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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.