Home / 3,212.46-4,434.30-1,886.58

Finding the Fourth Proportional to 3,212.46, 4,434.30 and 1,886.58

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Solution

The fourth proportional to 3,212.46, 4,434.30 and 1,886.58 is: 2,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.46 : 4,434.30 = 1,886.58 : x
  2. Step 2: Convert to fraction form
    3,212.46/4,434.30 = 1,886.58/x
  3. Step 3: Cross multiply
    3,212.46x = 4,434.30 × 1,886.58
  4. Step 4: Simplify right side
    3,212.46x = 8,365,661.69
  5. Step 5: Solve for x
    x = 8,365,661.69/3,212.46
  6. Step 6: Final answer
    x = 2,604.13

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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.