Home / 3,790.26-5,685.69-1,325.02

Finding the Fourth Proportional to 3,790.26, 5,685.69 and 1,325.02

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Solution

The fourth proportional to 3,790.26, 5,685.69 and 1,325.02 is: 1,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.26 : 5,685.69 = 1,325.02 : x
  2. Step 2: Convert to fraction form
    3,790.26/5,685.69 = 1,325.02/x
  3. Step 3: Cross multiply
    3,790.26x = 5,685.69 × 1,325.02
  4. Step 4: Simplify right side
    3,790.26x = 7,533,652.96
  5. Step 5: Solve for x
    x = 7,533,652.96/3,790.26
  6. Step 6: Final answer
    x = 1,987.63

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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.