Home / 3,526.20-5,286.20-1,336.47

Finding the Fourth Proportional to 3,526.20, 5,286.20 and 1,336.47

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Solution

The fourth proportional to 3,526.20, 5,286.20 and 1,336.47 is: 2,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.20 : 5,286.20 = 1,336.47 : x
  2. Step 2: Convert to fraction form
    3,526.20/5,286.20 = 1,336.47/x
  3. Step 3: Cross multiply
    3,526.20x = 5,286.20 × 1,336.47
  4. Step 4: Simplify right side
    3,526.20x = 7,064,841.03
  5. Step 5: Solve for x
    x = 7,064,841.03/3,526.20
  6. Step 6: Final answer
    x = 2,003.53

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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.