Home / 3,281.40-4,914.90-2,849.40

Finding the Fourth Proportional to 3,281.40, 4,914.90 and 2,849.40

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Solution

The fourth proportional to 3,281.40, 4,914.90 and 2,849.40 is: 4,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.40 : 4,914.90 = 2,849.40 : x
  2. Step 2: Convert to fraction form
    3,281.40/4,914.90 = 2,849.40/x
  3. Step 3: Cross multiply
    3,281.40x = 4,914.90 × 2,849.40
  4. Step 4: Simplify right side
    3,281.40x = 14,004,516.06
  5. Step 5: Solve for x
    x = 14,004,516.06/3,281.40
  6. Step 6: Final answer
    x = 4,267.85

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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.