Home / 3,869.22-5,801.63-1,236.21

Finding the Fourth Proportional to 3,869.22, 5,801.63 and 1,236.21

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Solution

The fourth proportional to 3,869.22, 5,801.63 and 1,236.21 is: 1,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.22 : 5,801.63 = 1,236.21 : x
  2. Step 2: Convert to fraction form
    3,869.22/5,801.63 = 1,236.21/x
  3. Step 3: Cross multiply
    3,869.22x = 5,801.63 × 1,236.21
  4. Step 4: Simplify right side
    3,869.22x = 7,172,026.84
  5. Step 5: Solve for x
    x = 7,172,026.84/3,869.22
  6. Step 6: Final answer
    x = 1,853.61

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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.