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Finding the Fourth Proportional to 3,654.32, 5,482.92 and 1,346

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Solution

The fourth proportional to 3,654.32, 5,482.92 and 1,346 is: 2,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.32 : 5,482.92 = 1,346 : x
  2. Step 2: Convert to fraction form
    3,654.32/5,482.92 = 1,346/x
  3. Step 3: Cross multiply
    3,654.32x = 5,482.92 × 1,346
  4. Step 4: Simplify right side
    3,654.32x = 7,380,010.32
  5. Step 5: Solve for x
    x = 7,380,010.32/3,654.32
  6. Step 6: Final answer
    x = 2,019.53

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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.