Home / 4,261.90-6,393.64-1,664.68

Finding the Fourth Proportional to 4,261.90, 6,393.64 and 1,664.68

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Solution

The fourth proportional to 4,261.90, 6,393.64 and 1,664.68 is: 2,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.90 : 6,393.64 = 1,664.68 : x
  2. Step 2: Convert to fraction form
    4,261.90/6,393.64 = 1,664.68/x
  3. Step 3: Cross multiply
    4,261.90x = 6,393.64 × 1,664.68
  4. Step 4: Simplify right side
    4,261.90x = 10,643,364.64
  5. Step 5: Solve for x
    x = 10,643,364.64/4,261.90
  6. Step 6: Final answer
    x = 2,497.33

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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.