Home / 3,324.78-4,989.68-1,246.83

Finding the Fourth Proportional to 3,324.78, 4,989.68 and 1,246.83

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Solution

The fourth proportional to 3,324.78, 4,989.68 and 1,246.83 is: 1,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.78 : 4,989.68 = 1,246.83 : x
  2. Step 2: Convert to fraction form
    3,324.78/4,989.68 = 1,246.83/x
  3. Step 3: Cross multiply
    3,324.78x = 4,989.68 × 1,246.83
  4. Step 4: Simplify right side
    3,324.78x = 6,221,282.71
  5. Step 5: Solve for x
    x = 6,221,282.71/3,324.78
  6. Step 6: Final answer
    x = 1,871.19

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1.5x scale

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.