Home / 3,512.08-5,272.17-1,784.35

Finding the Fourth Proportional to 3,512.08, 5,272.17 and 1,784.35

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Solution

The fourth proportional to 3,512.08, 5,272.17 and 1,784.35 is: 2,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.08 : 5,272.17 = 1,784.35 : x
  2. Step 2: Convert to fraction form
    3,512.08/5,272.17 = 1,784.35/x
  3. Step 3: Cross multiply
    3,512.08x = 5,272.17 × 1,784.35
  4. Step 4: Simplify right side
    3,512.08x = 9,407,396.54
  5. Step 5: Solve for x
    x = 9,407,396.54/3,512.08
  6. Step 6: Final answer
    x = 2,678.58

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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.