Home / 2,645.20-3,967.26-1,084.84

Finding the Fourth Proportional to 2,645.20, 3,967.26 and 1,084.84

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Solution

The fourth proportional to 2,645.20, 3,967.26 and 1,084.84 is: 1,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.20 : 3,967.26 = 1,084.84 : x
  2. Step 2: Convert to fraction form
    2,645.20/3,967.26 = 1,084.84/x
  3. Step 3: Cross multiply
    2,645.20x = 3,967.26 × 1,084.84
  4. Step 4: Simplify right side
    2,645.20x = 4,303,842.34
  5. Step 5: Solve for x
    x = 4,303,842.34/2,645.20
  6. Step 6: Final answer
    x = 1,627.04

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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.