Home / 1,447.36-2,171.45-582.28

Finding the Fourth Proportional to 1,447.36, 2,171.45 and 582.28

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Solution

The fourth proportional to 1,447.36, 2,171.45 and 582.28 is: 873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.36 : 2,171.45 = 582.28 : x
  2. Step 2: Convert to fraction form
    1,447.36/2,171.45 = 582.28/x
  3. Step 3: Cross multiply
    1,447.36x = 2,171.45 × 582.28
  4. Step 4: Simplify right side
    1,447.36x = 1,264,388.99
  5. Step 5: Solve for x
    x = 1,264,388.99/1,447.36
  6. Step 6: Final answer
    x = 873.58

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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.