Home / 1,339.18-2,008.73-365.27

Finding the Fourth Proportional to 1,339.18, 2,008.73 and 365.27

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Solution

The fourth proportional to 1,339.18, 2,008.73 and 365.27 is: 547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.18 : 2,008.73 = 365.27 : x
  2. Step 2: Convert to fraction form
    1,339.18/2,008.73 = 365.27/x
  3. Step 3: Cross multiply
    1,339.18x = 2,008.73 × 365.27
  4. Step 4: Simplify right side
    1,339.18x = 733,719.68
  5. Step 5: Solve for x
    x = 733,719.68/1,339.18
  6. Step 6: Final answer
    x = 547.89

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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.