Home / 3,426.49-4,728.63-1,934.41

Finding the Fourth Proportional to 3,426.49, 4,728.63 and 1,934.41

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Solution

The fourth proportional to 3,426.49, 4,728.63 and 1,934.41 is: 2,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.49 : 4,728.63 = 1,934.41 : x
  2. Step 2: Convert to fraction form
    3,426.49/4,728.63 = 1,934.41/x
  3. Step 3: Cross multiply
    3,426.49x = 4,728.63 × 1,934.41
  4. Step 4: Simplify right side
    3,426.49x = 9,147,109.16
  5. Step 5: Solve for x
    x = 9,147,109.16/3,426.49
  6. Step 6: Final answer
    x = 2,669.53

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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.