Home / 1,664.25-2,496.60-1,318.23

Finding the Fourth Proportional to 1,664.25, 2,496.60 and 1,318.23

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Solution

The fourth proportional to 1,664.25, 2,496.60 and 1,318.23 is: 1,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.25 : 2,496.60 = 1,318.23 : x
  2. Step 2: Convert to fraction form
    1,664.25/2,496.60 = 1,318.23/x
  3. Step 3: Cross multiply
    1,664.25x = 2,496.60 × 1,318.23
  4. Step 4: Simplify right side
    1,664.25x = 3,291,093.02
  5. Step 5: Solve for x
    x = 3,291,093.02/1,664.25
  6. Step 6: Final answer
    x = 1,977.52

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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.