Home / 3,645.29-5,463.68-1,454.65

Finding the Fourth Proportional to 3,645.29, 5,463.68 and 1,454.65

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Solution

The fourth proportional to 3,645.29, 5,463.68 and 1,454.65 is: 2,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.29 : 5,463.68 = 1,454.65 : x
  2. Step 2: Convert to fraction form
    3,645.29/5,463.68 = 1,454.65/x
  3. Step 3: Cross multiply
    3,645.29x = 5,463.68 × 1,454.65
  4. Step 4: Simplify right side
    3,645.29x = 7,947,742.11
  5. Step 5: Solve for x
    x = 7,947,742.11/3,645.29
  6. Step 6: Final answer
    x = 2,180.28

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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.