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Finding the Fourth Proportional to 1,627.68, 2,437.32 and 896.44

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Solution

The fourth proportional to 1,627.68, 2,437.32 and 896.44 is: 1,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.68 : 2,437.32 = 896.44 : x
  2. Step 2: Convert to fraction form
    1,627.68/2,437.32 = 896.44/x
  3. Step 3: Cross multiply
    1,627.68x = 2,437.32 × 896.44
  4. Step 4: Simplify right side
    1,627.68x = 2,184,911.14
  5. Step 5: Solve for x
    x = 2,184,911.14/1,627.68
  6. Step 6: Final answer
    x = 1,342.35

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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.