Home / 1,849.72-2,774.56-551.28

Finding the Fourth Proportional to 1,849.72, 2,774.56 and 551.28

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Solution

The fourth proportional to 1,849.72, 2,774.56 and 551.28 is: 826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.72 : 2,774.56 = 551.28 : x
  2. Step 2: Convert to fraction form
    1,849.72/2,774.56 = 551.28/x
  3. Step 3: Cross multiply
    1,849.72x = 2,774.56 × 551.28
  4. Step 4: Simplify right side
    1,849.72x = 1,529,559.44
  5. Step 5: Solve for x
    x = 1,529,559.44/1,849.72
  6. Step 6: Final answer
    x = 826.91

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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.