Home / 3,853.54-5,779.26-1,080.04

Finding the Fourth Proportional to 3,853.54, 5,779.26 and 1,080.04

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Solution

The fourth proportional to 3,853.54, 5,779.26 and 1,080.04 is: 1,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.54 : 5,779.26 = 1,080.04 : x
  2. Step 2: Convert to fraction form
    3,853.54/5,779.26 = 1,080.04/x
  3. Step 3: Cross multiply
    3,853.54x = 5,779.26 × 1,080.04
  4. Step 4: Simplify right side
    3,853.54x = 6,241,831.97
  5. Step 5: Solve for x
    x = 6,241,831.97/3,853.54
  6. Step 6: Final answer
    x = 1,619.77

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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.