Home / 3,461.39-5,185.08-2,629.92

Finding the Fourth Proportional to 3,461.39, 5,185.08 and 2,629.92

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Solution

The fourth proportional to 3,461.39, 5,185.08 and 2,629.92 is: 3,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.39 : 5,185.08 = 2,629.92 : x
  2. Step 2: Convert to fraction form
    3,461.39/5,185.08 = 2,629.92/x
  3. Step 3: Cross multiply
    3,461.39x = 5,185.08 × 2,629.92
  4. Step 4: Simplify right side
    3,461.39x = 13,636,345.59
  5. Step 5: Solve for x
    x = 13,636,345.59/3,461.39
  6. Step 6: Final answer
    x = 3,939.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.