Home / 3,500.31-5,246.82-1,308.09

Finding the Fourth Proportional to 3,500.31, 5,246.82 and 1,308.09

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Solution

The fourth proportional to 3,500.31, 5,246.82 and 1,308.09 is: 1,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.31 : 5,246.82 = 1,308.09 : x
  2. Step 2: Convert to fraction form
    3,500.31/5,246.82 = 1,308.09/x
  3. Step 3: Cross multiply
    3,500.31x = 5,246.82 × 1,308.09
  4. Step 4: Simplify right side
    3,500.31x = 6,863,312.77
  5. Step 5: Solve for x
    x = 6,863,312.77/3,500.31
  6. Step 6: Final answer
    x = 1,960.77

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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.