Home / 1,840.16-2,540.49-1,178.03

Finding the Fourth Proportional to 1,840.16, 2,540.49 and 1,178.03

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Solution

The fourth proportional to 1,840.16, 2,540.49 and 1,178.03 is: 1,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.16 : 2,540.49 = 1,178.03 : x
  2. Step 2: Convert to fraction form
    1,840.16/2,540.49 = 1,178.03/x
  3. Step 3: Cross multiply
    1,840.16x = 2,540.49 × 1,178.03
  4. Step 4: Simplify right side
    1,840.16x = 2,992,773.43
  5. Step 5: Solve for x
    x = 2,992,773.43/1,840.16
  6. Step 6: Final answer
    x = 1,626.37

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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.