Home / 3,084.63-4,257.21-1,825.59

Finding the Fourth Proportional to 3,084.63, 4,257.21 and 1,825.59

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Solution

The fourth proportional to 3,084.63, 4,257.21 and 1,825.59 is: 2,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.63 : 4,257.21 = 1,825.59 : x
  2. Step 2: Convert to fraction form
    3,084.63/4,257.21 = 1,825.59/x
  3. Step 3: Cross multiply
    3,084.63x = 4,257.21 × 1,825.59
  4. Step 4: Simplify right side
    3,084.63x = 7,771,920.00
  5. Step 5: Solve for x
    x = 7,771,920.00/3,084.63
  6. Step 6: Final answer
    x = 2,519.56

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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.