Home / 3,740.05-5,611.29-1,276.44

Finding the Fourth Proportional to 3,740.05, 5,611.29 and 1,276.44

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Solution

The fourth proportional to 3,740.05, 5,611.29 and 1,276.44 is: 1,915.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.05 : 5,611.29 = 1,276.44 : x
  2. Step 2: Convert to fraction form
    3,740.05/5,611.29 = 1,276.44/x
  3. Step 3: Cross multiply
    3,740.05x = 5,611.29 × 1,276.44
  4. Step 4: Simplify right side
    3,740.05x = 7,162,475.01
  5. Step 5: Solve for x
    x = 7,162,475.01/3,740.05
  6. Step 6: Final answer
    x = 1,915.07

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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.