Home / 1,464.38-2,020.23-960.09

Finding the Fourth Proportional to 1,464.38, 2,020.23 and 960.09

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Solution

The fourth proportional to 1,464.38, 2,020.23 and 960.09 is: 1,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.38 : 2,020.23 = 960.09 : x
  2. Step 2: Convert to fraction form
    1,464.38/2,020.23 = 960.09/x
  3. Step 3: Cross multiply
    1,464.38x = 2,020.23 × 960.09
  4. Step 4: Simplify right side
    1,464.38x = 1,939,602.62
  5. Step 5: Solve for x
    x = 1,939,602.62/1,464.38
  6. Step 6: Final answer
    x = 1,324.53

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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.