Home / 3,600.40-5,402.67-1,957.09

Finding the Fourth Proportional to 3,600.40, 5,402.67 and 1,957.09

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Solution

The fourth proportional to 3,600.40, 5,402.67 and 1,957.09 is: 2,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.40 : 5,402.67 = 1,957.09 : x
  2. Step 2: Convert to fraction form
    3,600.40/5,402.67 = 1,957.09/x
  3. Step 3: Cross multiply
    3,600.40x = 5,402.67 × 1,957.09
  4. Step 4: Simplify right side
    3,600.40x = 10,573,511.43
  5. Step 5: Solve for x
    x = 10,573,511.43/3,600.40
  6. Step 6: Final answer
    x = 2,936.76

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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.