Home / 3,414.07-4,711.24-1,921.94

Finding the Fourth Proportional to 3,414.07, 4,711.24 and 1,921.94

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Solution

The fourth proportional to 3,414.07, 4,711.24 and 1,921.94 is: 2,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.07 : 4,711.24 = 1,921.94 : x
  2. Step 2: Convert to fraction form
    3,414.07/4,711.24 = 1,921.94/x
  3. Step 3: Cross multiply
    3,414.07x = 4,711.24 × 1,921.94
  4. Step 4: Simplify right side
    3,414.07x = 9,054,720.61
  5. Step 5: Solve for x
    x = 9,054,720.61/3,414.07
  6. Step 6: Final answer
    x = 2,652.18

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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.