Home / 1,850.42-2,553.84-1,189.16

Finding the Fourth Proportional to 1,850.42, 2,553.84 and 1,189.16

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Solution

The fourth proportional to 1,850.42, 2,553.84 and 1,189.16 is: 1,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.42 : 2,553.84 = 1,189.16 : x
  2. Step 2: Convert to fraction form
    1,850.42/2,553.84 = 1,189.16/x
  3. Step 3: Cross multiply
    1,850.42x = 2,553.84 × 1,189.16
  4. Step 4: Simplify right side
    1,850.42x = 3,036,924.37
  5. Step 5: Solve for x
    x = 3,036,924.37/1,850.42
  6. Step 6: Final answer
    x = 1,641.21

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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.