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Finding the Fourth Proportional to 2,232.63, 3,349.32 and 771.39

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Solution

The fourth proportional to 2,232.63, 3,349.32 and 771.39 is: 1,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.63 : 3,349.32 = 771.39 : x
  2. Step 2: Convert to fraction form
    2,232.63/3,349.32 = 771.39/x
  3. Step 3: Cross multiply
    2,232.63x = 3,349.32 × 771.39
  4. Step 4: Simplify right side
    2,232.63x = 2,583,631.95
  5. Step 5: Solve for x
    x = 2,583,631.95/2,232.63
  6. Step 6: Final answer
    x = 1,157.21

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1.5x scale

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.