Home / 3,426.86-4,728.42-1,934.70

Finding the Fourth Proportional to 3,426.86, 4,728.42 and 1,934.70

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Solution

The fourth proportional to 3,426.86, 4,728.42 and 1,934.70 is: 2,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.86 : 4,728.42 = 1,934.70 : x
  2. Step 2: Convert to fraction form
    3,426.86/4,728.42 = 1,934.70/x
  3. Step 3: Cross multiply
    3,426.86x = 4,728.42 × 1,934.70
  4. Step 4: Simplify right side
    3,426.86x = 9,148,074.17
  5. Step 5: Solve for x
    x = 9,148,074.17/3,426.86
  6. Step 6: Final answer
    x = 2,669.52

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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.