Home / 1,635.97-2,440.55-1,591.33

Finding the Fourth Proportional to 1,635.97, 2,440.55 and 1,591.33

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Solution

The fourth proportional to 1,635.97, 2,440.55 and 1,591.33 is: 2,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.97 : 2,440.55 = 1,591.33 : x
  2. Step 2: Convert to fraction form
    1,635.97/2,440.55 = 1,591.33/x
  3. Step 3: Cross multiply
    1,635.97x = 2,440.55 × 1,591.33
  4. Step 4: Simplify right side
    1,635.97x = 3,883,720.43
  5. Step 5: Solve for x
    x = 3,883,720.43/1,635.97
  6. Step 6: Final answer
    x = 2,373.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.