Home / 3,161.32-4,362.68-1,835.76

Finding the Fourth Proportional to 3,161.32, 4,362.68 and 1,835.76

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Solution

The fourth proportional to 3,161.32, 4,362.68 and 1,835.76 is: 2,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.32 : 4,362.68 = 1,835.76 : x
  2. Step 2: Convert to fraction form
    3,161.32/4,362.68 = 1,835.76/x
  3. Step 3: Cross multiply
    3,161.32x = 4,362.68 × 1,835.76
  4. Step 4: Simplify right side
    3,161.32x = 8,008,833.44
  5. Step 5: Solve for x
    x = 8,008,833.44/3,161.32
  6. Step 6: Final answer
    x = 2,533.38

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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.