Home / 2,770.54-4,152.62-1,382.46

Finding the Fourth Proportional to 2,770.54, 4,152.62 and 1,382.46

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Solution

The fourth proportional to 2,770.54, 4,152.62 and 1,382.46 is: 2,072.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.54 : 4,152.62 = 1,382.46 : x
  2. Step 2: Convert to fraction form
    2,770.54/4,152.62 = 1,382.46/x
  3. Step 3: Cross multiply
    2,770.54x = 4,152.62 × 1,382.46
  4. Step 4: Simplify right side
    2,770.54x = 5,740,831.05
  5. Step 5: Solve for x
    x = 5,740,831.05/2,770.54
  6. Step 6: Final answer
    x = 2,072.10

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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.