Home / 3,426.59-4,729.12-1,934.57

Finding the Fourth Proportional to 3,426.59, 4,729.12 and 1,934.57

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Solution

The fourth proportional to 3,426.59, 4,729.12 and 1,934.57 is: 2,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.59 : 4,729.12 = 1,934.57 : x
  2. Step 2: Convert to fraction form
    3,426.59/4,729.12 = 1,934.57/x
  3. Step 3: Cross multiply
    3,426.59x = 4,729.12 × 1,934.57
  4. Step 4: Simplify right side
    3,426.59x = 9,148,820.66
  5. Step 5: Solve for x
    x = 9,148,820.66/3,426.59
  6. Step 6: Final answer
    x = 2,669.95

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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.