Home / 1,664.12-2,297.46-1,479.60

Finding the Fourth Proportional to 1,664.12, 2,297.46 and 1,479.60

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Solution

The fourth proportional to 1,664.12, 2,297.46 and 1,479.60 is: 2,042.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.12 : 2,297.46 = 1,479.60 : x
  2. Step 2: Convert to fraction form
    1,664.12/2,297.46 = 1,479.60/x
  3. Step 3: Cross multiply
    1,664.12x = 2,297.46 × 1,479.60
  4. Step 4: Simplify right side
    1,664.12x = 3,399,321.82
  5. Step 5: Solve for x
    x = 3,399,321.82/1,664.12
  6. Step 6: Final answer
    x = 2,042.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.