Home / 3,387.26-5,078.10-1,539.25

Finding the Fourth Proportional to 3,387.26, 5,078.10 and 1,539.25

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Solution

The fourth proportional to 3,387.26, 5,078.10 and 1,539.25 is: 2,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.26 : 5,078.10 = 1,539.25 : x
  2. Step 2: Convert to fraction form
    3,387.26/5,078.10 = 1,539.25/x
  3. Step 3: Cross multiply
    3,387.26x = 5,078.10 × 1,539.25
  4. Step 4: Simplify right side
    3,387.26x = 7,816,465.43
  5. Step 5: Solve for x
    x = 7,816,465.43/3,387.26
  6. Step 6: Final answer
    x = 2,307.61

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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.