Home / 3,384.14-4,661.86-2,814.56

Finding the Fourth Proportional to 3,384.14, 4,661.86 and 2,814.56

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Solution

The fourth proportional to 3,384.14, 4,661.86 and 2,814.56 is: 3,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.14 : 4,661.86 = 2,814.56 : x
  2. Step 2: Convert to fraction form
    3,384.14/4,661.86 = 2,814.56/x
  3. Step 3: Cross multiply
    3,384.14x = 4,661.86 × 2,814.56
  4. Step 4: Simplify right side
    3,384.14x = 13,121,084.68
  5. Step 5: Solve for x
    x = 13,121,084.68/3,384.14
  6. Step 6: Final answer
    x = 3,877.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.