Home / 1,664.34-2,497.41-1,403.10

Finding the Fourth Proportional to 1,664.34, 2,497.41 and 1,403.10

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Solution

The fourth proportional to 1,664.34, 2,497.41 and 1,403.10 is: 2,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.34 : 2,497.41 = 1,403.10 : x
  2. Step 2: Convert to fraction form
    1,664.34/2,497.41 = 1,403.10/x
  3. Step 3: Cross multiply
    1,664.34x = 2,497.41 × 1,403.10
  4. Step 4: Simplify right side
    1,664.34x = 3,504,115.97
  5. Step 5: Solve for x
    x = 3,504,115.97/1,664.34
  6. Step 6: Final answer
    x = 2,105.41

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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.