Home / 3,181.76-4,773.33-1,331.92

Finding the Fourth Proportional to 3,181.76, 4,773.33 and 1,331.92

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Solution

The fourth proportional to 3,181.76, 4,773.33 and 1,331.92 is: 1,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.76 : 4,773.33 = 1,331.92 : x
  2. Step 2: Convert to fraction form
    3,181.76/4,773.33 = 1,331.92/x
  3. Step 3: Cross multiply
    3,181.76x = 4,773.33 × 1,331.92
  4. Step 4: Simplify right side
    3,181.76x = 6,357,693.69
  5. Step 5: Solve for x
    x = 6,357,693.69/3,181.76
  6. Step 6: Final answer
    x = 1,998.17

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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.