Home / 3,673.92-5,070.24-2,102.64

Finding the Fourth Proportional to 3,673.92, 5,070.24 and 2,102.64

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Solution

The fourth proportional to 3,673.92, 5,070.24 and 2,102.64 is: 2,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.92 : 5,070.24 = 2,102.64 : x
  2. Step 2: Convert to fraction form
    3,673.92/5,070.24 = 2,102.64/x
  3. Step 3: Cross multiply
    3,673.92x = 5,070.24 × 2,102.64
  4. Step 4: Simplify right side
    3,673.92x = 10,660,889.43
  5. Step 5: Solve for x
    x = 10,660,889.43/3,673.92
  6. Step 6: Final answer
    x = 2,901.78

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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.