Home / 3,331.81-4,597.68-1,839.61

Finding the Fourth Proportional to 3,331.81, 4,597.68 and 1,839.61

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Solution

The fourth proportional to 3,331.81, 4,597.68 and 1,839.61 is: 2,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.81 : 4,597.68 = 1,839.61 : x
  2. Step 2: Convert to fraction form
    3,331.81/4,597.68 = 1,839.61/x
  3. Step 3: Cross multiply
    3,331.81x = 4,597.68 × 1,839.61
  4. Step 4: Simplify right side
    3,331.81x = 8,457,938.10
  5. Step 5: Solve for x
    x = 8,457,938.10/3,331.81
  6. Step 6: Final answer
    x = 2,538.54

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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.