Home / 3,212.84-4,434.06-1,886.73

Finding the Fourth Proportional to 3,212.84, 4,434.06 and 1,886.73

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Solution

The fourth proportional to 3,212.84, 4,434.06 and 1,886.73 is: 2,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.84 : 4,434.06 = 1,886.73 : x
  2. Step 2: Convert to fraction form
    3,212.84/4,434.06 = 1,886.73/x
  3. Step 3: Cross multiply
    3,212.84x = 4,434.06 × 1,886.73
  4. Step 4: Simplify right side
    3,212.84x = 8,365,874.02
  5. Step 5: Solve for x
    x = 8,365,874.02/3,212.84
  6. Step 6: Final answer
    x = 2,603.89

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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.