Home / 3,156.21-4,735.40-1,182.11

Finding the Fourth Proportional to 3,156.21, 4,735.40 and 1,182.11

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Solution

The fourth proportional to 3,156.21, 4,735.40 and 1,182.11 is: 1,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.21 : 4,735.40 = 1,182.11 : x
  2. Step 2: Convert to fraction form
    3,156.21/4,735.40 = 1,182.11/x
  3. Step 3: Cross multiply
    3,156.21x = 4,735.40 × 1,182.11
  4. Step 4: Simplify right side
    3,156.21x = 5,597,734.11
  5. Step 5: Solve for x
    x = 5,597,734.11/3,156.21
  6. Step 6: Final answer
    x = 1,773.56

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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.