Home / 1,850.21-2,553.31-1,010.94

Finding the Fourth Proportional to 1,850.21, 2,553.31 and 1,010.94

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Solution

The fourth proportional to 1,850.21, 2,553.31 and 1,010.94 is: 1,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.21 : 2,553.31 = 1,010.94 : x
  2. Step 2: Convert to fraction form
    1,850.21/2,553.31 = 1,010.94/x
  3. Step 3: Cross multiply
    1,850.21x = 2,553.31 × 1,010.94
  4. Step 4: Simplify right side
    1,850.21x = 2,581,243.21
  5. Step 5: Solve for x
    x = 2,581,243.21/1,850.21
  6. Step 6: Final answer
    x = 1,395.11

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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.