Home / 1,763.25-2,431.60-1,054.97

Finding the Fourth Proportional to 1,763.25, 2,431.60 and 1,054.97

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Solution

The fourth proportional to 1,763.25, 2,431.60 and 1,054.97 is: 1,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.25 : 2,431.60 = 1,054.97 : x
  2. Step 2: Convert to fraction form
    1,763.25/2,431.60 = 1,054.97/x
  3. Step 3: Cross multiply
    1,763.25x = 2,431.60 × 1,054.97
  4. Step 4: Simplify right side
    1,763.25x = 2,565,268.49
  5. Step 5: Solve for x
    x = 2,565,268.49/1,763.25
  6. Step 6: Final answer
    x = 1,454.85

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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.