Home / 3,790.26-5,685.39-1,325.23

Finding the Fourth Proportional to 3,790.26, 5,685.39 and 1,325.23

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Solution

The fourth proportional to 3,790.26, 5,685.39 and 1,325.23 is: 1,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.26 : 5,685.39 = 1,325.23 : x
  2. Step 2: Convert to fraction form
    3,790.26/5,685.39 = 1,325.23/x
  3. Step 3: Cross multiply
    3,790.26x = 5,685.39 × 1,325.23
  4. Step 4: Simplify right side
    3,790.26x = 7,534,435.18
  5. Step 5: Solve for x
    x = 7,534,435.18/3,790.26
  6. Step 6: Final answer
    x = 1,987.84

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1.5x scale

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.