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Finding the Fourth Proportional to 3,479.96, 4,799.56 and 3,059.42

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Solution

The fourth proportional to 3,479.96, 4,799.56 and 3,059.42 is: 4,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.96 : 4,799.56 = 3,059.42 : x
  2. Step 2: Convert to fraction form
    3,479.96/4,799.56 = 3,059.42/x
  3. Step 3: Cross multiply
    3,479.96x = 4,799.56 × 3,059.42
  4. Step 4: Simplify right side
    3,479.96x = 14,683,869.86
  5. Step 5: Solve for x
    x = 14,683,869.86/3,479.96
  6. Step 6: Final answer
    x = 4,219.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.