Home / 3,517.21-5,277.65-2,551.28

Finding the Fourth Proportional to 3,517.21, 5,277.65 and 2,551.28

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Solution

The fourth proportional to 3,517.21, 5,277.65 and 2,551.28 is: 3,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.21 : 5,277.65 = 2,551.28 : x
  2. Step 2: Convert to fraction form
    3,517.21/5,277.65 = 2,551.28/x
  3. Step 3: Cross multiply
    3,517.21x = 5,277.65 × 2,551.28
  4. Step 4: Simplify right side
    3,517.21x = 13,464,763.33
  5. Step 5: Solve for x
    x = 13,464,763.33/3,517.21
  6. Step 6: Final answer
    x = 3,828.25

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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.