Home / 1,645.06-2,468.40-1,591.60

Finding the Fourth Proportional to 1,645.06, 2,468.40 and 1,591.60

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Solution

The fourth proportional to 1,645.06, 2,468.40 and 1,591.60 is: 2,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.06 : 2,468.40 = 1,591.60 : x
  2. Step 2: Convert to fraction form
    1,645.06/2,468.40 = 1,591.60/x
  3. Step 3: Cross multiply
    1,645.06x = 2,468.40 × 1,591.60
  4. Step 4: Simplify right side
    1,645.06x = 3,928,705.44
  5. Step 5: Solve for x
    x = 3,928,705.44/1,645.06
  6. Step 6: Final answer
    x = 2,388.18

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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.