Home / 3,654.24-5,039.58-2,866.92

Finding the Fourth Proportional to 3,654.24, 5,039.58 and 2,866.92

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Solution

The fourth proportional to 3,654.24, 5,039.58 and 2,866.92 is: 3,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.24 : 5,039.58 = 2,866.92 : x
  2. Step 2: Convert to fraction form
    3,654.24/5,039.58 = 2,866.92/x
  3. Step 3: Cross multiply
    3,654.24x = 5,039.58 × 2,866.92
  4. Step 4: Simplify right side
    3,654.24x = 14,448,072.69
  5. Step 5: Solve for x
    x = 14,448,072.69/3,654.24
  6. Step 6: Final answer
    x = 3,953.78

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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.