Home / 3,515.76-5,265.96-2,486.64

Finding the Fourth Proportional to 3,515.76, 5,265.96 and 2,486.64

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Solution

The fourth proportional to 3,515.76, 5,265.96 and 2,486.64 is: 3,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.76 : 5,265.96 = 2,486.64 : x
  2. Step 2: Convert to fraction form
    3,515.76/5,265.96 = 2,486.64/x
  3. Step 3: Cross multiply
    3,515.76x = 5,265.96 × 2,486.64
  4. Step 4: Simplify right side
    3,515.76x = 13,094,546.77
  5. Step 5: Solve for x
    x = 13,094,546.77/3,515.76
  6. Step 6: Final answer
    x = 3,724.53

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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.