Home / 3,214.88-4,814.60-2,750

Finding the Fourth Proportional to 3,214.88, 4,814.60 and 2,750

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Solution

The fourth proportional to 3,214.88, 4,814.60 and 2,750 is: 4,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.88 : 4,814.60 = 2,750 : x
  2. Step 2: Convert to fraction form
    3,214.88/4,814.60 = 2,750/x
  3. Step 3: Cross multiply
    3,214.88x = 4,814.60 × 2,750
  4. Step 4: Simplify right side
    3,214.88x = 13,240,150.00
  5. Step 5: Solve for x
    x = 13,240,150.00/3,214.88
  6. Step 6: Final answer
    x = 4,118.40

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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.