Home / 3,630.40-5,435.37-2,310.91

Finding the Fourth Proportional to 3,630.40, 5,435.37 and 2,310.91

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Solution

The fourth proportional to 3,630.40, 5,435.37 and 2,310.91 is: 3,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.40 : 5,435.37 = 2,310.91 : x
  2. Step 2: Convert to fraction form
    3,630.40/5,435.37 = 2,310.91/x
  3. Step 3: Cross multiply
    3,630.40x = 5,435.37 × 2,310.91
  4. Step 4: Simplify right side
    3,630.40x = 12,560,637.30
  5. Step 5: Solve for x
    x = 12,560,637.30/3,630.40
  6. Step 6: Final answer
    x = 3,459.85

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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.