Home / 3,256.91-4,885.36-1,308.66

Finding the Fourth Proportional to 3,256.91, 4,885.36 and 1,308.66

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Solution

The fourth proportional to 3,256.91, 4,885.36 and 1,308.66 is: 1,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.91 : 4,885.36 = 1,308.66 : x
  2. Step 2: Convert to fraction form
    3,256.91/4,885.36 = 1,308.66/x
  3. Step 3: Cross multiply
    3,256.91x = 4,885.36 × 1,308.66
  4. Step 4: Simplify right side
    3,256.91x = 6,393,260.99
  5. Step 5: Solve for x
    x = 6,393,260.99/3,256.91
  6. Step 6: Final answer
    x = 1,962.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.