Home / 3,611.40-5,416.70-1,014.60

Finding the Fourth Proportional to 3,611.40, 5,416.70 and 1,014.60

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Solution

The fourth proportional to 3,611.40, 5,416.70 and 1,014.60 is: 1,521.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.40 : 5,416.70 = 1,014.60 : x
  2. Step 2: Convert to fraction form
    3,611.40/5,416.70 = 1,014.60/x
  3. Step 3: Cross multiply
    3,611.40x = 5,416.70 × 1,014.60
  4. Step 4: Simplify right side
    3,611.40x = 5,495,783.82
  5. Step 5: Solve for x
    x = 5,495,783.82/3,611.40
  6. Step 6: Final answer
    x = 1,521.79

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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.