Home / 3,630.66-5,014.89-3,157.62

Finding the Fourth Proportional to 3,630.66, 5,014.89 and 3,157.62

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Solution

The fourth proportional to 3,630.66, 5,014.89 and 3,157.62 is: 4,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.66 : 5,014.89 = 3,157.62 : x
  2. Step 2: Convert to fraction form
    3,630.66/5,014.89 = 3,157.62/x
  3. Step 3: Cross multiply
    3,630.66x = 5,014.89 × 3,157.62
  4. Step 4: Simplify right side
    3,630.66x = 15,835,116.96
  5. Step 5: Solve for x
    x = 15,835,116.96/3,630.66
  6. Step 6: Final answer
    x = 4,361.50

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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.