Home / 3,324.96-4,555.22-3,200.40

Finding the Fourth Proportional to 3,324.96, 4,555.22 and 3,200.40

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Solution

The fourth proportional to 3,324.96, 4,555.22 and 3,200.40 is: 4,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.96 : 4,555.22 = 3,200.40 : x
  2. Step 2: Convert to fraction form
    3,324.96/4,555.22 = 3,200.40/x
  3. Step 3: Cross multiply
    3,324.96x = 4,555.22 × 3,200.40
  4. Step 4: Simplify right side
    3,324.96x = 14,578,510.09
  5. Step 5: Solve for x
    x = 14,578,510.09/3,324.96
  6. Step 6: Final answer
    x = 4,384.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.