Home / 2,836.14-4,254.21-1,678.38

Finding the Fourth Proportional to 2,836.14, 4,254.21 and 1,678.38

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Solution

The fourth proportional to 2,836.14, 4,254.21 and 1,678.38 is: 2,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.14 : 4,254.21 = 1,678.38 : x
  2. Step 2: Convert to fraction form
    2,836.14/4,254.21 = 1,678.38/x
  3. Step 3: Cross multiply
    2,836.14x = 4,254.21 × 1,678.38
  4. Step 4: Simplify right side
    2,836.14x = 7,140,180.98
  5. Step 5: Solve for x
    x = 7,140,180.98/2,836.14
  6. Step 6: Final answer
    x = 2,517.57

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1.5x scale

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.