Home / 3,576.60-5,354.10-3,187.80

Finding the Fourth Proportional to 3,576.60, 5,354.10 and 3,187.80

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Solution

The fourth proportional to 3,576.60, 5,354.10 and 3,187.80 is: 4,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.60 : 5,354.10 = 3,187.80 : x
  2. Step 2: Convert to fraction form
    3,576.60/5,354.10 = 3,187.80/x
  3. Step 3: Cross multiply
    3,576.60x = 5,354.10 × 3,187.80
  4. Step 4: Simplify right side
    3,576.60x = 17,067,799.98
  5. Step 5: Solve for x
    x = 17,067,799.98/3,576.60
  6. Step 6: Final answer
    x = 4,772.07

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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.