Home / 1,729.64-2,383.62-1,263.08

Finding the Fourth Proportional to 1,729.64, 2,383.62 and 1,263.08

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Solution

The fourth proportional to 1,729.64, 2,383.62 and 1,263.08 is: 1,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.64 : 2,383.62 = 1,263.08 : x
  2. Step 2: Convert to fraction form
    1,729.64/2,383.62 = 1,263.08/x
  3. Step 3: Cross multiply
    1,729.64x = 2,383.62 × 1,263.08
  4. Step 4: Simplify right side
    1,729.64x = 3,010,702.75
  5. Step 5: Solve for x
    x = 3,010,702.75/1,729.64
  6. Step 6: Final answer
    x = 1,740.65

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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.