Home / 3,486.04-5,219.17-3,157.58

Finding the Fourth Proportional to 3,486.04, 5,219.17 and 3,157.58

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Solution

The fourth proportional to 3,486.04, 5,219.17 and 3,157.58 is: 4,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.04 : 5,219.17 = 3,157.58 : x
  2. Step 2: Convert to fraction form
    3,486.04/5,219.17 = 3,157.58/x
  3. Step 3: Cross multiply
    3,486.04x = 5,219.17 × 3,157.58
  4. Step 4: Simplify right side
    3,486.04x = 16,479,951.96
  5. Step 5: Solve for x
    x = 16,479,951.96/3,486.04
  6. Step 6: Final answer
    x = 4,727.42

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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.