Home / 2,756.45-4,121.71-2,060.93

Finding the Fourth Proportional to 2,756.45, 4,121.71 and 2,060.93

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Solution

The fourth proportional to 2,756.45, 4,121.71 and 2,060.93 is: 3,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.45 : 4,121.71 = 2,060.93 : x
  2. Step 2: Convert to fraction form
    2,756.45/4,121.71 = 2,060.93/x
  3. Step 3: Cross multiply
    2,756.45x = 4,121.71 × 2,060.93
  4. Step 4: Simplify right side
    2,756.45x = 8,494,555.79
  5. Step 5: Solve for x
    x = 8,494,555.79/2,756.45
  6. Step 6: Final answer
    x = 3,081.70

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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.