Home / 1,453.16-2,179.70-357.54

Finding the Fourth Proportional to 1,453.16, 2,179.70 and 357.54

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Solution

The fourth proportional to 1,453.16, 2,179.70 and 357.54 is: 536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.16 : 2,179.70 = 357.54 : x
  2. Step 2: Convert to fraction form
    1,453.16/2,179.70 = 357.54/x
  3. Step 3: Cross multiply
    1,453.16x = 2,179.70 × 357.54
  4. Step 4: Simplify right side
    1,453.16x = 779,329.94
  5. Step 5: Solve for x
    x = 779,329.94/1,453.16
  6. Step 6: Final answer
    x = 536.30

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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.