Home / 2,311.75-3,463.78-1,530.71

Finding the Fourth Proportional to 2,311.75, 3,463.78 and 1,530.71

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Solution

The fourth proportional to 2,311.75, 3,463.78 and 1,530.71 is: 2,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.75 : 3,463.78 = 1,530.71 : x
  2. Step 2: Convert to fraction form
    2,311.75/3,463.78 = 1,530.71/x
  3. Step 3: Cross multiply
    2,311.75x = 3,463.78 × 1,530.71
  4. Step 4: Simplify right side
    2,311.75x = 5,302,042.68
  5. Step 5: Solve for x
    x = 5,302,042.68/2,311.75
  6. Step 6: Final answer
    x = 2,293.52

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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.