Home / 1,449.42-2,173.32-582.72

Finding the Fourth Proportional to 1,449.42, 2,173.32 and 582.72

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Solution

The fourth proportional to 1,449.42, 2,173.32 and 582.72 is: 873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.42 : 2,173.32 = 582.72 : x
  2. Step 2: Convert to fraction form
    1,449.42/2,173.32 = 582.72/x
  3. Step 3: Cross multiply
    1,449.42x = 2,173.32 × 582.72
  4. Step 4: Simplify right side
    1,449.42x = 1,266,437.03
  5. Step 5: Solve for x
    x = 1,266,437.03/1,449.42
  6. Step 6: Final answer
    x = 873.75

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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.