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Finding the Fourth Proportional to 2,531.08, 3,795.87 and 887.32

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Solution

The fourth proportional to 2,531.08, 3,795.87 and 887.32 is: 1,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.08 : 3,795.87 = 887.32 : x
  2. Step 2: Convert to fraction form
    2,531.08/3,795.87 = 887.32/x
  3. Step 3: Cross multiply
    2,531.08x = 3,795.87 × 887.32
  4. Step 4: Simplify right side
    2,531.08x = 3,368,145.21
  5. Step 5: Solve for x
    x = 3,368,145.21/2,531.08
  6. Step 6: Final answer
    x = 1,330.72

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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.