Home / 1,850.17-2,775.90-1,157.35

Finding the Fourth Proportional to 1,850.17, 2,775.90 and 1,157.35

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Solution

The fourth proportional to 1,850.17, 2,775.90 and 1,157.35 is: 1,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.17 : 2,775.90 = 1,157.35 : x
  2. Step 2: Convert to fraction form
    1,850.17/2,775.90 = 1,157.35/x
  3. Step 3: Cross multiply
    1,850.17x = 2,775.90 × 1,157.35
  4. Step 4: Simplify right side
    1,850.17x = 3,212,687.87
  5. Step 5: Solve for x
    x = 3,212,687.87/1,850.17
  6. Step 6: Final answer
    x = 1,736.43

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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.