Home / 3,426.90-4,729.27-1,934.83

Finding the Fourth Proportional to 3,426.90, 4,729.27 and 1,934.83

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Solution

The fourth proportional to 3,426.90, 4,729.27 and 1,934.83 is: 2,670.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.90 : 4,729.27 = 1,934.83 : x
  2. Step 2: Convert to fraction form
    3,426.90/4,729.27 = 1,934.83/x
  3. Step 3: Cross multiply
    3,426.90x = 4,729.27 × 1,934.83
  4. Step 4: Simplify right side
    3,426.90x = 9,150,304.99
  5. Step 5: Solve for x
    x = 9,150,304.99/3,426.90
  6. Step 6: Final answer
    x = 2,670.14

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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.