Home / 3,309.36-4,963.32-1,257.36

Finding the Fourth Proportional to 3,309.36, 4,963.32 and 1,257.36

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Solution

The fourth proportional to 3,309.36, 4,963.32 and 1,257.36 is: 1,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.36 : 4,963.32 = 1,257.36 : x
  2. Step 2: Convert to fraction form
    3,309.36/4,963.32 = 1,257.36/x
  3. Step 3: Cross multiply
    3,309.36x = 4,963.32 × 1,257.36
  4. Step 4: Simplify right side
    3,309.36x = 6,240,680.04
  5. Step 5: Solve for x
    x = 6,240,680.04/3,309.36
  6. Step 6: Final answer
    x = 1,885.77

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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.