Home / 1,840.97-2,540.87-1,055.06

Finding the Fourth Proportional to 1,840.97, 2,540.87 and 1,055.06

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Solution

The fourth proportional to 1,840.97, 2,540.87 and 1,055.06 is: 1,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.97 : 2,540.87 = 1,055.06 : x
  2. Step 2: Convert to fraction form
    1,840.97/2,540.87 = 1,055.06/x
  3. Step 3: Cross multiply
    1,840.97x = 2,540.87 × 1,055.06
  4. Step 4: Simplify right side
    1,840.97x = 2,680,752.32
  5. Step 5: Solve for x
    x = 2,680,752.32/1,840.97
  6. Step 6: Final answer
    x = 1,456.17

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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.