Home / 3,068.48-4,231.33-2,171.81

Finding the Fourth Proportional to 3,068.48, 4,231.33 and 2,171.81

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Solution

The fourth proportional to 3,068.48, 4,231.33 and 2,171.81 is: 2,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.48 : 4,231.33 = 2,171.81 : x
  2. Step 2: Convert to fraction form
    3,068.48/4,231.33 = 2,171.81/x
  3. Step 3: Cross multiply
    3,068.48x = 4,231.33 × 2,171.81
  4. Step 4: Simplify right side
    3,068.48x = 9,189,649.96
  5. Step 5: Solve for x
    x = 9,189,649.96/3,068.48
  6. Step 6: Final answer
    x = 2,994.85

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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.