Home / 2,732.37-3,770.75-1,553.51

Finding the Fourth Proportional to 2,732.37, 3,770.75 and 1,553.51

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Solution

The fourth proportional to 2,732.37, 3,770.75 and 1,553.51 is: 2,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.37 : 3,770.75 = 1,553.51 : x
  2. Step 2: Convert to fraction form
    2,732.37/3,770.75 = 1,553.51/x
  3. Step 3: Cross multiply
    2,732.37x = 3,770.75 × 1,553.51
  4. Step 4: Simplify right side
    2,732.37x = 5,857,911.14
  5. Step 5: Solve for x
    x = 5,857,911.14/2,732.37
  6. Step 6: Final answer
    x = 2,143.90

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1.5x scale

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.