Home / 3,790.26-5,685.40-1,054.26

Finding the Fourth Proportional to 3,790.26, 5,685.40 and 1,054.26

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Solution

The fourth proportional to 3,790.26, 5,685.40 and 1,054.26 is: 1,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.26 : 5,685.40 = 1,054.26 : x
  2. Step 2: Convert to fraction form
    3,790.26/5,685.40 = 1,054.26/x
  3. Step 3: Cross multiply
    3,790.26x = 5,685.40 × 1,054.26
  4. Step 4: Simplify right side
    3,790.26x = 5,993,889.80
  5. Step 5: Solve for x
    x = 5,993,889.80/3,790.26
  6. Step 6: Final answer
    x = 1,581.39

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Similar ratio
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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.