Home / 1,840.22-2,761.39-974.53

Finding the Fourth Proportional to 1,840.22, 2,761.39 and 974.53

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Solution

The fourth proportional to 1,840.22, 2,761.39 and 974.53 is: 1,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.22 : 2,761.39 = 974.53 : x
  2. Step 2: Convert to fraction form
    1,840.22/2,761.39 = 974.53/x
  3. Step 3: Cross multiply
    1,840.22x = 2,761.39 × 974.53
  4. Step 4: Simplify right side
    1,840.22x = 2,691,062.07
  5. Step 5: Solve for x
    x = 2,691,062.07/1,840.22
  6. Step 6: Final answer
    x = 1,462.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.