Home / 3,135.64-4,327.14-1,738.36

Finding the Fourth Proportional to 3,135.64, 4,327.14 and 1,738.36

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Solution

The fourth proportional to 3,135.64, 4,327.14 and 1,738.36 is: 2,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.64 : 4,327.14 = 1,738.36 : x
  2. Step 2: Convert to fraction form
    3,135.64/4,327.14 = 1,738.36/x
  3. Step 3: Cross multiply
    3,135.64x = 4,327.14 × 1,738.36
  4. Step 4: Simplify right side
    3,135.64x = 7,522,127.09
  5. Step 5: Solve for x
    x = 7,522,127.09/3,135.64
  6. Step 6: Final answer
    x = 2,398.91

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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.