Home / 3,436.41-4,742.21-1,923.96

Finding the Fourth Proportional to 3,436.41, 4,742.21 and 1,923.96

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Solution

The fourth proportional to 3,436.41, 4,742.21 and 1,923.96 is: 2,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.41 : 4,742.21 = 1,923.96 : x
  2. Step 2: Convert to fraction form
    3,436.41/4,742.21 = 1,923.96/x
  3. Step 3: Cross multiply
    3,436.41x = 4,742.21 × 1,923.96
  4. Step 4: Simplify right side
    3,436.41x = 9,123,812.73
  5. Step 5: Solve for x
    x = 9,123,812.73/3,436.41
  6. Step 6: Final answer
    x = 2,655.04

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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.