Home / 3,239.10-4,862.25-1,292.67

Finding the Fourth Proportional to 3,239.10, 4,862.25 and 1,292.67

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Solution

The fourth proportional to 3,239.10, 4,862.25 and 1,292.67 is: 1,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.10 : 4,862.25 = 1,292.67 : x
  2. Step 2: Convert to fraction form
    3,239.10/4,862.25 = 1,292.67/x
  3. Step 3: Cross multiply
    3,239.10x = 4,862.25 × 1,292.67
  4. Step 4: Simplify right side
    3,239.10x = 6,285,284.71
  5. Step 5: Solve for x
    x = 6,285,284.71/3,239.10
  6. Step 6: Final answer
    x = 1,940.44

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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.