Home / 3,381.75-4,666.82-2,055.21

Finding the Fourth Proportional to 3,381.75, 4,666.82 and 2,055.21

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Solution

The fourth proportional to 3,381.75, 4,666.82 and 2,055.21 is: 2,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.75 : 4,666.82 = 2,055.21 : x
  2. Step 2: Convert to fraction form
    3,381.75/4,666.82 = 2,055.21/x
  3. Step 3: Cross multiply
    3,381.75x = 4,666.82 × 2,055.21
  4. Step 4: Simplify right side
    3,381.75x = 9,591,267.36
  5. Step 5: Solve for x
    x = 9,591,267.36/3,381.75
  6. Step 6: Final answer
    x = 2,836.18

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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.