Home / 3,215.88-4,816.10-2,751

Finding the Fourth Proportional to 3,215.88, 4,816.10 and 2,751

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Solution

The fourth proportional to 3,215.88, 4,816.10 and 2,751 is: 4,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.88 : 4,816.10 = 2,751 : x
  2. Step 2: Convert to fraction form
    3,215.88/4,816.10 = 2,751/x
  3. Step 3: Cross multiply
    3,215.88x = 4,816.10 × 2,751
  4. Step 4: Simplify right side
    3,215.88x = 13,249,091.10
  5. Step 5: Solve for x
    x = 13,249,091.10/3,215.88
  6. Step 6: Final answer
    x = 4,119.90

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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.