Home / 3,821.67-5,274.63-2,330.91

Finding the Fourth Proportional to 3,821.67, 5,274.63 and 2,330.91

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Solution

The fourth proportional to 3,821.67, 5,274.63 and 2,330.91 is: 3,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.67 : 5,274.63 = 2,330.91 : x
  2. Step 2: Convert to fraction form
    3,821.67/5,274.63 = 2,330.91/x
  3. Step 3: Cross multiply
    3,821.67x = 5,274.63 × 2,330.91
  4. Step 4: Simplify right side
    3,821.67x = 12,294,687.81
  5. Step 5: Solve for x
    x = 12,294,687.81/3,821.67
  6. Step 6: Final answer
    x = 3,217.10

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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.