Home / 3,240.45-4,471.24-1,823.92

Finding the Fourth Proportional to 3,240.45, 4,471.24 and 1,823.92

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Solution

The fourth proportional to 3,240.45, 4,471.24 and 1,823.92 is: 2,516.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.45 : 4,471.24 = 1,823.92 : x
  2. Step 2: Convert to fraction form
    3,240.45/4,471.24 = 1,823.92/x
  3. Step 3: Cross multiply
    3,240.45x = 4,471.24 × 1,823.92
  4. Step 4: Simplify right side
    3,240.45x = 8,155,184.06
  5. Step 5: Solve for x
    x = 8,155,184.06/3,240.45
  6. Step 6: Final answer
    x = 2,516.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.