Home / 3,212.13-4,433.21-1,886.56

Finding the Fourth Proportional to 3,212.13, 4,433.21 and 1,886.56

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Solution

The fourth proportional to 3,212.13, 4,433.21 and 1,886.56 is: 2,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.13 : 4,433.21 = 1,886.56 : x
  2. Step 2: Convert to fraction form
    3,212.13/4,433.21 = 1,886.56/x
  3. Step 3: Cross multiply
    3,212.13x = 4,433.21 × 1,886.56
  4. Step 4: Simplify right side
    3,212.13x = 8,363,516.66
  5. Step 5: Solve for x
    x = 8,363,516.66/3,212.13
  6. Step 6: Final answer
    x = 2,603.73

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1.5x scale

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.