Home / 3,212.00-4,432.10-1,867.56

Finding the Fourth Proportional to 3,212.00, 4,432.10 and 1,867.56

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Solution

The fourth proportional to 3,212.00, 4,432.10 and 1,867.56 is: 2,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.00 : 4,432.10 = 1,867.56 : x
  2. Step 2: Convert to fraction form
    3,212.00/4,432.10 = 1,867.56/x
  3. Step 3: Cross multiply
    3,212.00x = 4,432.10 × 1,867.56
  4. Step 4: Simplify right side
    3,212.00x = 8,277,203.34
  5. Step 5: Solve for x
    x = 8,277,203.34/3,212.00
  6. Step 6: Final answer
    x = 2,576.97

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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.