Home / 1,445.94-2,170.26-795.78

Finding the Fourth Proportional to 1,445.94, 2,170.26 and 795.78

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Solution

The fourth proportional to 1,445.94, 2,170.26 and 795.78 is: 1,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.94 : 2,170.26 = 795.78 : x
  2. Step 2: Convert to fraction form
    1,445.94/2,170.26 = 795.78/x
  3. Step 3: Cross multiply
    1,445.94x = 2,170.26 × 795.78
  4. Step 4: Simplify right side
    1,445.94x = 1,727,049.50
  5. Step 5: Solve for x
    x = 1,727,049.50/1,445.94
  6. Step 6: Final answer
    x = 1,194.41

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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.