Home / 1,749.80-2,414.68-1,003.64

Finding the Fourth Proportional to 1,749.80, 2,414.68 and 1,003.64

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Solution

The fourth proportional to 1,749.80, 2,414.68 and 1,003.64 is: 1,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.80 : 2,414.68 = 1,003.64 : x
  2. Step 2: Convert to fraction form
    1,749.80/2,414.68 = 1,003.64/x
  3. Step 3: Cross multiply
    1,749.80x = 2,414.68 × 1,003.64
  4. Step 4: Simplify right side
    1,749.80x = 2,423,469.44
  5. Step 5: Solve for x
    x = 2,423,469.44/1,749.80
  6. Step 6: Final answer
    x = 1,385.00

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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.