Home / 1,850.21-2,775.35-1,229.48

Finding the Fourth Proportional to 1,850.21, 2,775.35 and 1,229.48

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Solution

The fourth proportional to 1,850.21, 2,775.35 and 1,229.48 is: 1,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.21 : 2,775.35 = 1,229.48 : x
  2. Step 2: Convert to fraction form
    1,850.21/2,775.35 = 1,229.48/x
  3. Step 3: Cross multiply
    1,850.21x = 2,775.35 × 1,229.48
  4. Step 4: Simplify right side
    1,850.21x = 3,412,238.11
  5. Step 5: Solve for x
    x = 3,412,238.11/1,850.21
  6. Step 6: Final answer
    x = 1,844.24

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1.5x scale

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.