Home / 1,453.75-2,180.67-358.12

Finding the Fourth Proportional to 1,453.75, 2,180.67 and 358.12

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Solution

The fourth proportional to 1,453.75, 2,180.67 and 358.12 is: 537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.75 : 2,180.67 = 358.12 : x
  2. Step 2: Convert to fraction form
    1,453.75/2,180.67 = 358.12/x
  3. Step 3: Cross multiply
    1,453.75x = 2,180.67 × 358.12
  4. Step 4: Simplify right side
    1,453.75x = 780,944.94
  5. Step 5: Solve for x
    x = 780,944.94/1,453.75
  6. Step 6: Final answer
    x = 537.19

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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.