Home / 3,181.24-4,772.34-1,101.76

Finding the Fourth Proportional to 3,181.24, 4,772.34 and 1,101.76

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Solution

The fourth proportional to 3,181.24, 4,772.34 and 1,101.76 is: 1,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.24 : 4,772.34 = 1,101.76 : x
  2. Step 2: Convert to fraction form
    3,181.24/4,772.34 = 1,101.76/x
  3. Step 3: Cross multiply
    3,181.24x = 4,772.34 × 1,101.76
  4. Step 4: Simplify right side
    3,181.24x = 5,257,973.32
  5. Step 5: Solve for x
    x = 5,257,973.32/3,181.24
  6. Step 6: Final answer
    x = 1,652.81

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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.