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Finding the Fourth Proportional to 3,432.46, 5,148.64 and 967.23

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Solution

The fourth proportional to 3,432.46, 5,148.64 and 967.23 is: 1,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.46 : 5,148.64 = 967.23 : x
  2. Step 2: Convert to fraction form
    3,432.46/5,148.64 = 967.23/x
  3. Step 3: Cross multiply
    3,432.46x = 5,148.64 × 967.23
  4. Step 4: Simplify right side
    3,432.46x = 4,979,919.07
  5. Step 5: Solve for x
    x = 4,979,919.07/3,432.46
  6. Step 6: Final answer
    x = 1,450.83

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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.