Home / 3,177.36-4,757.84-2,193.21

Finding the Fourth Proportional to 3,177.36, 4,757.84 and 2,193.21

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Solution

The fourth proportional to 3,177.36, 4,757.84 and 2,193.21 is: 3,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.36 : 4,757.84 = 2,193.21 : x
  2. Step 2: Convert to fraction form
    3,177.36/4,757.84 = 2,193.21/x
  3. Step 3: Cross multiply
    3,177.36x = 4,757.84 × 2,193.21
  4. Step 4: Simplify right side
    3,177.36x = 10,434,931.30
  5. Step 5: Solve for x
    x = 10,434,931.30/3,177.36
  6. Step 6: Final answer
    x = 3,284.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.