Home / 3,219.92-4,829.63-1,246.49

Finding the Fourth Proportional to 3,219.92, 4,829.63 and 1,246.49

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Solution

The fourth proportional to 3,219.92, 4,829.63 and 1,246.49 is: 1,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.92 : 4,829.63 = 1,246.49 : x
  2. Step 2: Convert to fraction form
    3,219.92/4,829.63 = 1,246.49/x
  3. Step 3: Cross multiply
    3,219.92x = 4,829.63 × 1,246.49
  4. Step 4: Simplify right side
    3,219.92x = 6,020,085.50
  5. Step 5: Solve for x
    x = 6,020,085.50/3,219.92
  6. Step 6: Final answer
    x = 1,869.64

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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.