Home / 3,256.85-4,885.25-1,309.02

Finding the Fourth Proportional to 3,256.85, 4,885.25 and 1,309.02

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Solution

The fourth proportional to 3,256.85, 4,885.25 and 1,309.02 is: 1,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.85 : 4,885.25 = 1,309.02 : x
  2. Step 2: Convert to fraction form
    3,256.85/4,885.25 = 1,309.02/x
  3. Step 3: Cross multiply
    3,256.85x = 4,885.25 × 1,309.02
  4. Step 4: Simplify right side
    3,256.85x = 6,394,883.41
  5. Step 5: Solve for x
    x = 6,394,883.41/3,256.85
  6. Step 6: Final answer
    x = 1,963.52

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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.