Home / 3,217.74-4,825.26-1,368.78

Finding the Fourth Proportional to 3,217.74, 4,825.26 and 1,368.78

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Solution

The fourth proportional to 3,217.74, 4,825.26 and 1,368.78 is: 2,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.74 : 4,825.26 = 1,368.78 : x
  2. Step 2: Convert to fraction form
    3,217.74/4,825.26 = 1,368.78/x
  3. Step 3: Cross multiply
    3,217.74x = 4,825.26 × 1,368.78
  4. Step 4: Simplify right side
    3,217.74x = 6,604,719.38
  5. Step 5: Solve for x
    x = 6,604,719.38/3,217.74
  6. Step 6: Final answer
    x = 2,052.60

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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.