Home / 1,053.28-1,580.01-273.27

Finding the Fourth Proportional to 1,053.28, 1,580.01 and 273.27

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Solution

The fourth proportional to 1,053.28, 1,580.01 and 273.27 is: 409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.28 : 1,580.01 = 273.27 : x
  2. Step 2: Convert to fraction form
    1,053.28/1,580.01 = 273.27/x
  3. Step 3: Cross multiply
    1,053.28x = 1,580.01 × 273.27
  4. Step 4: Simplify right side
    1,053.28x = 431,769.33
  5. Step 5: Solve for x
    x = 431,769.33/1,053.28
  6. Step 6: Final answer
    x = 409.93

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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.