Home / 1,630.14-2,246.31-1,163.58

Finding the Fourth Proportional to 1,630.14, 2,246.31 and 1,163.58

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Solution

The fourth proportional to 1,630.14, 2,246.31 and 1,163.58 is: 1,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.14 : 2,246.31 = 1,163.58 : x
  2. Step 2: Convert to fraction form
    1,630.14/2,246.31 = 1,163.58/x
  3. Step 3: Cross multiply
    1,630.14x = 2,246.31 × 1,163.58
  4. Step 4: Simplify right side
    1,630.14x = 2,613,761.39
  5. Step 5: Solve for x
    x = 2,613,761.39/1,630.14
  6. Step 6: Final answer
    x = 1,603.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.