Home / 2,539.20-3,496.32-1,910.64

Finding the Fourth Proportional to 2,539.20, 3,496.32 and 1,910.64

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Solution

The fourth proportional to 2,539.20, 3,496.32 and 1,910.64 is: 2,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.20 : 3,496.32 = 1,910.64 : x
  2. Step 2: Convert to fraction form
    2,539.20/3,496.32 = 1,910.64/x
  3. Step 3: Cross multiply
    2,539.20x = 3,496.32 × 1,910.64
  4. Step 4: Simplify right side
    2,539.20x = 6,680,208.84
  5. Step 5: Solve for x
    x = 6,680,208.84/2,539.20
  6. Step 6: Final answer
    x = 2,630.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.