Home / 3,426.46-4,728.65-1,934.43

Finding the Fourth Proportional to 3,426.46, 4,728.65 and 1,934.43

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Solution

The fourth proportional to 3,426.46, 4,728.65 and 1,934.43 is: 2,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.46 : 4,728.65 = 1,934.43 : x
  2. Step 2: Convert to fraction form
    3,426.46/4,728.65 = 1,934.43/x
  3. Step 3: Cross multiply
    3,426.46x = 4,728.65 × 1,934.43
  4. Step 4: Simplify right side
    3,426.46x = 9,147,242.42
  5. Step 5: Solve for x
    x = 9,147,242.42/3,426.46
  6. Step 6: Final answer
    x = 2,669.59

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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.