Home / 3,260.57-4,491.99-2,667.65

Finding the Fourth Proportional to 3,260.57, 4,491.99 and 2,667.65

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Solution

The fourth proportional to 3,260.57, 4,491.99 and 2,667.65 is: 3,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.57 : 4,491.99 = 2,667.65 : x
  2. Step 2: Convert to fraction form
    3,260.57/4,491.99 = 2,667.65/x
  3. Step 3: Cross multiply
    3,260.57x = 4,491.99 × 2,667.65
  4. Step 4: Simplify right side
    3,260.57x = 11,983,057.12
  5. Step 5: Solve for x
    x = 11,983,057.12/3,260.57
  6. Step 6: Final answer
    x = 3,675.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.