Home / 3,426.73-4,728.62-1,934.79

Finding the Fourth Proportional to 3,426.73, 4,728.62 and 1,934.79

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Solution

The fourth proportional to 3,426.73, 4,728.62 and 1,934.79 is: 2,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.73 : 4,728.62 = 1,934.79 : x
  2. Step 2: Convert to fraction form
    3,426.73/4,728.62 = 1,934.79/x
  3. Step 3: Cross multiply
    3,426.73x = 4,728.62 × 1,934.79
  4. Step 4: Simplify right side
    3,426.73x = 9,148,916.41
  5. Step 5: Solve for x
    x = 9,148,916.41/3,426.73
  6. Step 6: Final answer
    x = 2,669.87

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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.