Home / 3,654.32-5,478.39-1,461.86

Finding the Fourth Proportional to 3,654.32, 5,478.39 and 1,461.86

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Solution

The fourth proportional to 3,654.32, 5,478.39 and 1,461.86 is: 2,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.32 : 5,478.39 = 1,461.86 : x
  2. Step 2: Convert to fraction form
    3,654.32/5,478.39 = 1,461.86/x
  3. Step 3: Cross multiply
    3,654.32x = 5,478.39 × 1,461.86
  4. Step 4: Simplify right side
    3,654.32x = 8,008,611.81
  5. Step 5: Solve for x
    x = 8,008,611.81/3,654.32
  6. Step 6: Final answer
    x = 2,191.55

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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.