Home / 3,506.28-5,257.88-1,313.48

Finding the Fourth Proportional to 3,506.28, 5,257.88 and 1,313.48

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Solution

The fourth proportional to 3,506.28, 5,257.88 and 1,313.48 is: 1,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.28 : 5,257.88 = 1,313.48 : x
  2. Step 2: Convert to fraction form
    3,506.28/5,257.88 = 1,313.48/x
  3. Step 3: Cross multiply
    3,506.28x = 5,257.88 × 1,313.48
  4. Step 4: Simplify right side
    3,506.28x = 6,906,097.22
  5. Step 5: Solve for x
    x = 6,906,097.22/3,506.28
  6. Step 6: Final answer
    x = 1,969.64

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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.