Home / 3,486.39-5,229.99-1,538.34

Finding the Fourth Proportional to 3,486.39, 5,229.99 and 1,538.34

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Solution

The fourth proportional to 3,486.39, 5,229.99 and 1,538.34 is: 2,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.39 : 5,229.99 = 1,538.34 : x
  2. Step 2: Convert to fraction form
    3,486.39/5,229.99 = 1,538.34/x
  3. Step 3: Cross multiply
    3,486.39x = 5,229.99 × 1,538.34
  4. Step 4: Simplify right side
    3,486.39x = 8,045,502.82
  5. Step 5: Solve for x
    x = 8,045,502.82/3,486.39
  6. Step 6: Final answer
    x = 2,307.69

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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.