Home / 3,215.64-4,438.22-2,035.88

Finding the Fourth Proportional to 3,215.64, 4,438.22 and 2,035.88

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Solution

The fourth proportional to 3,215.64, 4,438.22 and 2,035.88 is: 2,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.64 : 4,438.22 = 2,035.88 : x
  2. Step 2: Convert to fraction form
    3,215.64/4,438.22 = 2,035.88/x
  3. Step 3: Cross multiply
    3,215.64x = 4,438.22 × 2,035.88
  4. Step 4: Simplify right side
    3,215.64x = 9,035,650.96
  5. Step 5: Solve for x
    x = 9,035,650.96/3,215.64
  6. Step 6: Final answer
    x = 2,809.91

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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.