Home / 3,276.45-4,516.71-2,489.13

Finding the Fourth Proportional to 3,276.45, 4,516.71 and 2,489.13

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Solution

The fourth proportional to 3,276.45, 4,516.71 and 2,489.13 is: 3,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.45 : 4,516.71 = 2,489.13 : x
  2. Step 2: Convert to fraction form
    3,276.45/4,516.71 = 2,489.13/x
  3. Step 3: Cross multiply
    3,276.45x = 4,516.71 × 2,489.13
  4. Step 4: Simplify right side
    3,276.45x = 11,242,678.36
  5. Step 5: Solve for x
    x = 11,242,678.36/3,276.45
  6. Step 6: Final answer
    x = 3,431.36

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1.5x scale

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.