Home / 2,424.30-3,635.97-1,107.65

Finding the Fourth Proportional to 2,424.30, 3,635.97 and 1,107.65

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Solution

The fourth proportional to 2,424.30, 3,635.97 and 1,107.65 is: 1,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.30 : 3,635.97 = 1,107.65 : x
  2. Step 2: Convert to fraction form
    2,424.30/3,635.97 = 1,107.65/x
  3. Step 3: Cross multiply
    2,424.30x = 3,635.97 × 1,107.65
  4. Step 4: Simplify right side
    2,424.30x = 4,027,363.99
  5. Step 5: Solve for x
    x = 4,027,363.99/2,424.30
  6. Step 6: Final answer
    x = 1,661.25

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1.5x scale

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.