Home / 2,717.55-4,076.94-986.17

Finding the Fourth Proportional to 2,717.55, 4,076.94 and 986.17

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Solution

The fourth proportional to 2,717.55, 4,076.94 and 986.17 is: 1,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.55 : 4,076.94 = 986.17 : x
  2. Step 2: Convert to fraction form
    2,717.55/4,076.94 = 986.17/x
  3. Step 3: Cross multiply
    2,717.55x = 4,076.94 × 986.17
  4. Step 4: Simplify right side
    2,717.55x = 4,020,555.92
  5. Step 5: Solve for x
    x = 4,020,555.92/2,717.55
  6. Step 6: Final answer
    x = 1,479.48

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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.