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Finding the Fourth Proportional to 1,449.82, 2,173.17 and 583.90

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Solution

The fourth proportional to 1,449.82, 2,173.17 and 583.90 is: 875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.82 : 2,173.17 = 583.90 : x
  2. Step 2: Convert to fraction form
    1,449.82/2,173.17 = 583.90/x
  3. Step 3: Cross multiply
    1,449.82x = 2,173.17 × 583.90
  4. Step 4: Simplify right side
    1,449.82x = 1,268,913.96
  5. Step 5: Solve for x
    x = 1,268,913.96/1,449.82
  6. Step 6: Final answer
    x = 875.22

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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.