Home / 1,842.04-2,540.73-1,251.55

Finding the Fourth Proportional to 1,842.04, 2,540.73 and 1,251.55

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Solution

The fourth proportional to 1,842.04, 2,540.73 and 1,251.55 is: 1,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.04 : 2,540.73 = 1,251.55 : x
  2. Step 2: Convert to fraction form
    1,842.04/2,540.73 = 1,251.55/x
  3. Step 3: Cross multiply
    1,842.04x = 2,540.73 × 1,251.55
  4. Step 4: Simplify right side
    1,842.04x = 3,179,850.63
  5. Step 5: Solve for x
    x = 3,179,850.63/1,842.04
  6. Step 6: Final answer
    x = 1,726.27

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1.5x scale

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.