Home / 1,840.21-2,538.97-1,747.87

Finding the Fourth Proportional to 1,840.21, 2,538.97 and 1,747.87

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Solution

The fourth proportional to 1,840.21, 2,538.97 and 1,747.87 is: 2,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.21 : 2,538.97 = 1,747.87 : x
  2. Step 2: Convert to fraction form
    1,840.21/2,538.97 = 1,747.87/x
  3. Step 3: Cross multiply
    1,840.21x = 2,538.97 × 1,747.87
  4. Step 4: Simplify right side
    1,840.21x = 4,437,789.49
  5. Step 5: Solve for x
    x = 4,437,789.49/1,840.21
  6. Step 6: Final answer
    x = 2,411.57

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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.