Home / 3,936.04-5,426.44-3,374.08

Finding the Fourth Proportional to 3,936.04, 5,426.44 and 3,374.08

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Solution

The fourth proportional to 3,936.04, 5,426.44 and 3,374.08 is: 4,651.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.04 : 5,426.44 = 3,374.08 : x
  2. Step 2: Convert to fraction form
    3,936.04/5,426.44 = 3,374.08/x
  3. Step 3: Cross multiply
    3,936.04x = 5,426.44 × 3,374.08
  4. Step 4: Simplify right side
    3,936.04x = 18,309,242.68
  5. Step 5: Solve for x
    x = 18,309,242.68/3,936.04
  6. Step 6: Final answer
    x = 4,651.69

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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.