Home / 1,461.46-2,015.94-936.58

Finding the Fourth Proportional to 1,461.46, 2,015.94 and 936.58

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Solution

The fourth proportional to 1,461.46, 2,015.94 and 936.58 is: 1,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.46 : 2,015.94 = 936.58 : x
  2. Step 2: Convert to fraction form
    1,461.46/2,015.94 = 936.58/x
  3. Step 3: Cross multiply
    1,461.46x = 2,015.94 × 936.58
  4. Step 4: Simplify right side
    1,461.46x = 1,888,089.09
  5. Step 5: Solve for x
    x = 1,888,089.09/1,461.46
  6. Step 6: Final answer
    x = 1,291.92

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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.