Home / 1,924.42-2,653.94-1,261.64

Finding the Fourth Proportional to 1,924.42, 2,653.94 and 1,261.64

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Solution

The fourth proportional to 1,924.42, 2,653.94 and 1,261.64 is: 1,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.42 : 2,653.94 = 1,261.64 : x
  2. Step 2: Convert to fraction form
    1,924.42/2,653.94 = 1,261.64/x
  3. Step 3: Cross multiply
    1,924.42x = 2,653.94 × 1,261.64
  4. Step 4: Simplify right side
    1,924.42x = 3,348,316.86
  5. Step 5: Solve for x
    x = 3,348,316.86/1,924.42
  6. Step 6: Final answer
    x = 1,739.91

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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.