Home / 3,740.51-5,611.91-1,890.60

Finding the Fourth Proportional to 3,740.51, 5,611.91 and 1,890.60

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Solution

The fourth proportional to 3,740.51, 5,611.91 and 1,890.60 is: 2,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.51 : 5,611.91 = 1,890.60 : x
  2. Step 2: Convert to fraction form
    3,740.51/5,611.91 = 1,890.60/x
  3. Step 3: Cross multiply
    3,740.51x = 5,611.91 × 1,890.60
  4. Step 4: Simplify right side
    3,740.51x = 10,609,867.59
  5. Step 5: Solve for x
    x = 10,609,867.59/3,740.51
  6. Step 6: Final answer
    x = 2,836.48

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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.