Home / 1,849.05-2,772.55-615.79

Finding the Fourth Proportional to 1,849.05, 2,772.55 and 615.79

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Solution

The fourth proportional to 1,849.05, 2,772.55 and 615.79 is: 923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.05 : 2,772.55 = 615.79 : x
  2. Step 2: Convert to fraction form
    1,849.05/2,772.55 = 615.79/x
  3. Step 3: Cross multiply
    1,849.05x = 2,772.55 × 615.79
  4. Step 4: Simplify right side
    1,849.05x = 1,707,300.09
  5. Step 5: Solve for x
    x = 1,707,300.09/1,849.05
  6. Step 6: Final answer
    x = 923.34

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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.