Home / 2,936.46-4,405.65-1,087.71

Finding the Fourth Proportional to 2,936.46, 4,405.65 and 1,087.71

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Solution

The fourth proportional to 2,936.46, 4,405.65 and 1,087.71 is: 1,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.46 : 4,405.65 = 1,087.71 : x
  2. Step 2: Convert to fraction form
    2,936.46/4,405.65 = 1,087.71/x
  3. Step 3: Cross multiply
    2,936.46x = 4,405.65 × 1,087.71
  4. Step 4: Simplify right side
    2,936.46x = 4,792,079.86
  5. Step 5: Solve for x
    x = 4,792,079.86/2,936.46
  6. Step 6: Final answer
    x = 1,631.93

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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.